# Argentina at the 2018 Summer Youth Olympics

Argentina competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018, as host nation.

## Medalists

Medals awarded to participants of mixed-NOC teams are represented in italics. These medals are not counted towards the individual NOC medal tally.
| Medal | Name | Sport | Event | Date |
| Gold | María Sol Ordás | Rowing | Girls' single sculls | 10 October |
| Gold | Iñaki Iriartes Agustina Roth | Cycling | Mixed BMX freestyle park | 11 October |
| Gold | Belén Aizen Lucila Balsas Caterina Benedetti Gisella Bonomi Fiorella Corimberto Carolina Ponce Jimena Riadigos Rosario Soto Zoe Turnes | Beach handball | Girls' tournament | 13 October |
| Gold | Dante Cittadini Teresa Romairone | Sailing | Nacra 15 | 13 October |
| Gold | Brisa Bruggesser María Cerúndolo Celina di Santo Azul Iritxity Miranda Victoria Gianella Palet Lourdes Pérez Sofía Ramallo Josefina Rubenacker | Field hockey | Girls' tournament | 14 October |
| Gold | Facundo Díaz Acosta Sebastián Báez | Tennis | Boys' doubles | 14 October |
| Gold | Nazareno Sasia | Athletics | Boys' shot put | 15 October |
| Gold | Fausto Ruesga | Basketball | Boys' dunk contest | 15 October |
| Gold | Lucio Cinti Luna Ramiro Costa Marcos Elicagaray Juan González Matteo Graziano Julián Hernández Ignacio Mendy Marcos Moneta Bautista Pedemonte Julián Quetglas Nicolás Roger Tomás Vanni | Rugby Sevens | Boys' tournament | 15 October |
| Gold | Juan Esteban de la Fuente Marco Giordano Gnass Juan Santiago Hierrezuelo Fausto Ruesga | Basketball | Boys' tournament | 17 October |
| Gold | Brian Arregui | Boxing | Boys' 69 kg | 17 October |
| Silver | Delfina Pignatiello | Swimming | Girls' 800 m freestyle | 9 October |
| Silver | Broly | Dancesport | Breaking mixed team | 11 October |
| Silver | Fernando Martín Espíndola | Gymnastics | Mixed multi-discipline team | 11 October |
| Silver | Delfina Pignatiello | Swimming | Girls' 400 m freestyle | 12 October |
| Silver | Facundo Díaz Acosta | Tennis | Boys' singles | 13 October |
| Silver | Linda Machuca | Wrestling | Girls' freestyle 73 kg | 13 October |
| Silver | Hernán David Almendra | Wrestling | Boys' freestyle 55 kg | 14 October |
| Silver | Agustina Giannasio | Archery | Mixed team | 14 October |
| Silver | Agustín Osorio | Athletics | Boys' javelin throw | 16 October |
| Silver | Franco Serrano | Modern pentathlon | Mixed relay | 16 October |
| Bronze | Felipe Modarelli Tomás Herrera | Rowing | Boys' pair sculls | 9 October |
| Bronze | Facundo Firmapaz | Shooting | Mixed 10 metre air rifle | 11 October |
| Bronze | Santiago Scallier | Gymnastics | Mixed multi-discipline team | 11 October |
| Bronze | Nahuel Baptista José Basualdo Francisco Daudinot Nicolás Dieguez Elian Jesús Goux Nicolás Millet Alejo Novillo Tomás Páez Alarcón Julián Santos | Beach hanbdall | Boys' tournament | 13 October |
| Bronze | Valentín Rossi | Canoeing | Boys' K1 sprint | 13 October |
| Bronze | Agustín Cabana Gaspar Garrone Nehuén Hernando Ignacio Ibarra Tadeo Marcucci Santiago Micaz Facundo Sarto Lisandro Zago Facundo Zárate | Field hockey | Boys' tournament | 14 October |
| Bronze | Sofía Acevedo | Basketball | Girls' shoot-out contest | 15 October |
| Bronze | Ela Anacona Mateo Fernández de Oliveira | Golf | Mixed team | 15 October |
| Bronze | Juan Bautista Amieva Mauro Zelayeta | Beach volleyball | Boys' tournament | 17 October |
| Bronze | Mirco Cuello | Boxing | Boys' 56 kg | 18 October |
| Bronze | Oriana Saputo | Boxing | Girls' 60 kg | 18 October |
Medals by sport :
| Sport | | | | Total |
| Basketball | 2 | 0 | 1 | 3 |
| Athletics | 1 | 1 | 0 | 2 |
| Tennis | 1 | 1 | 0 | 2 |
| Boxing | 1 | 0 | 2 | 3 |
| Beach handball | 1 | 0 | 1 | 2 |
| Field hockey | 1 | 0 | 1 | 2 |
| Rowing | 1 | 0 | 1 | 2 |
| Cycling | 1 | 0 | 0 | 1 |
| Rugby Sevens | 1 | 0 | 0 | 1 |
| Sailing | 1 | 0 | 0 | 1 |
| Swimming | 0 | 2 | 0 | 2 |
| Wrestling | 0 | 2 | 0 | 2 |
| Beach volleyball | 0 | 0 | 1 | 1 |
| Canoeing | 0 | 0 | 1 | 1 |
| Golf | 0 | 0 | 1 | 1 |
| Total | 11 | 6 | 9 | 26 |
Medals by date :
| Day | Date | | | | Total |
| Day 1 | 7 October | 0 | 0 | 0 | 0 |
| Day 2 | 8 October | 0 | 0 | 0 | 0 |
| Day 3 | 9 October | 0 | 1 | 1 | 2 |
| Day 4 | 10 October | 1 | 0 | 0 | 1 |
| Day 5 | 11 October | 1 | 0 | 0 | 1 |
| Day 6 | 12 October | 0 | 1 | 0 | 1 |
| Day 7 | 13 October | 2 | 2 | 2 | 6 |
| Day 8 | 14 October | 2 | 1 | 1 | 4 |
| Day 9 | 15 October | 3 | 0 | 2 | 5 |
| Day 10 | 16 October | 0 | 1 | 0 | 1 |
| Day 11 | 17 October | 2 | 0 | 1 | 3 |
| Day 12 | 18 October | 0 | 0 | 2 | 2 |
| Total | Total | 11 | 6 | 9 | 26 |

## Competitors

| Sport | Boys | Girls | Total |
| Archery | 0 | 1 | 1 |
| Athletics | 7 | 0 | 7 |
| Badminton | 1 | 0 | 1 |
| Basketball | 4 | 4 | 8 |
| Beach handball | 9 | 9 | 18 |
| Beach volleyball | 2 | 2 | 4 |
| Boxing | 2 | 1 | 3 |
| Canoeing | 2 | 1 | 3 |
| Cycling | 3 | 3 | 6 |
| Dancesport | 1 | 1 | 2 |
| Equestrian | 1 | 0 | 1 |
| Fencing | 2 | 0 | 2 |
| Futsal | 10 | 0 | 10 |
| Golf | 1 | 1 | 2 |
| Gymnastics | 4 | 4 | 8 |
| Field hockey | 9 | 9 | 18 |
| Judo | 1 | 1 | 2 |
| Karate | 2 | 0 | 2 |
| Modern pentathlon | 1 | 1 | 2 |
| Roller speed skating | 1 | 1 | 2 |
| Rowing | 2 | 1 | 3 |
| Rugby sevens | 12 | 0 | 12 |
| Sailing | 3 | 3 | 6 |
| Shooting | 1 | 1 | 2 |
| Sport climbing | 0 | 1 | 1 |
| Swimming | 2 | 4 | 6 |
| Table tennis | 2 | 0 | 2 |
| Taekwondo | 2 | 1 | 3 |
| Tennis | 2 | 1 | 3 |
| Triathlon | 0 | 1 | 1 |
| Weightlifting | 1 | 1 | 2 |
| Wrestling | 2 | 1 | 3 |
| Total | 92 | 54 | 146 |

## Archery

Argentina qualified two athletes based on host nation.
* Boys' Individual - 1 quota
* Girls' Individual - 1 quota
| Athlete | Event | Ranking round | Ranking round | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Score | Seed | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Agustina Giannasio | Girls' individual | 630 | 21 | Touraine-Helias (FRA) L 3–8 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Agustina Giannasio Aitthiwat Soithong (THA) | Mixed team | 1299 | 16 | Paeglis (AUS) Tolba (EGY) W 6–2 | Amr Said Mohamed Azzam (EGY) Potrafke (GER) W 5–4 | Satır (TUR) Akash (IND) W 6–0 | Jones (NZL) Tang (TPE) W 6–0 | Touraine-Helias (FRA) Solera (ESP) L 1–5 | |

## Athletics

As hosts, Argentina was given four athlete quotas (2 boys and 2 girls) to compete in athletics.
* Boys' events - 2 athletes
* Girls' events - 2 athletes
But finally these 7 athletes, based on Panamerican rankings, are selected: Nazareno Sassia (SP), Pablo Zaffaroni (PV), Gustavo Agustín Osorio (JT), Pedro Garrido (400 m hs), Julio Nobile (HT), Luciano Méndez (TJ) and Lázaro Bonora (DT), only boys.

### Track and road events

| Athlete | Event | Stage 1 | Stage 1 | Stage 2 | Stage 2 | Total | Total |
| Athlete | Event | Result | Rank | Result | Rank | Total | Rank |
| Pedro Garrido | Boys' 400 m hurdles | 52.22 | 4 | 54.56 | 7 | 1:46.78 | 6 |

### Field events

| Athlete | Event | Stage 1 | Stage 1 | Stage 2 | Stage 2 | Total | Total |
| Athlete | Event | Result | Rank | Result | Rank | Total | Rank |
| Pablo Zaffaroni | Pole vault | 0 | 14 | 4.92 | 5 | 4.92 | 14 |
| Luciano Mendez | Triple jump | 14.87 | 14 | 14.62 | 12 | 29.49 | 13 |
| Nazareno Sasia | Shot put | 21.94 | 1 | 21.25 | 1 | 43.19 | |
| Lazaro Bonora | Discus throw | 55.01 | 5 | 56.36 | 9 | 111.37 | 7 |
| Julio Nobile | Hammer throw | 71.22 | 7 | 69.21 | 9 | 140.43 | 8 |
| Gustavo Agustin Osorio | Javelin throw | 76.03 | 2 | 74.25 | 5 | 150.28 | |

## Badminton

As hosts, Argentina was given a spot to compete in the boys' and girls' singles events. Argentina only sent 1 boy.

### Singles

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinal | Final / BM | Rank |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank |
| Mateo Delmastro | Boys' Singles | Canjura (ESA) L 0–2 | Nguyen (IRL) L 0–2 | Keoxay (LAO) L 1–2 | 4 | did not advance | did not advance | did not advance | 9 |

### Team

| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinal | Final / BM | Rank |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank |
| Team Delta Mateo Delmastro (ARG) Arnaud Merklé (FRA) Dmitriy Panarin (KAZ) Balázs Pápai (HUN) Elena Andreu (ESP) Pattarasuda Chaiwan (THA) Madouc Linders (NED) Petra Polanc (SLO) | Mixed Teams | Zeta (MIX) W (110–95) | Alpha (MIX) W (110–99) | Epsilon (MIX) L (108–110) | 1Q | Theta (MIX) L (93–110) | Did not advance | Did not advance | 5 |

## Basketball

As hosts, Argentina is given a spot to compete in both the boys' and girls' tournaments.
* Boys' Tournament - 1 team of 4 athletes
* Girls' Tournament - 1 team of 4 athletes
| Event | Group stage | Group stage | Group stage | Group stage | Group stage | Quarterfinal | Semifinal | Final / BM | Final / BM |
| Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank |
| Boys' tournament | Estonia W 22–19 | Russia W 21–14 | Mongolia W 22–15 | United States L 18–21 | 1 Q | Georgia W 21–12 | Ukraine W 18–16 | Belgium W 20–15 | |
| Girls' tournament | Indonesia W 22–11 | France W 18–13 | Mexico W 20–15 | Andorra W 21–5 | 1 Q | China L 17–19 | Did not advance | Did not advance | Did not advance |

### Shoot-out contest

| Athlete | Event | Qualification | Qualification | Final | Final | Final | Final | Final | Final |
| Athlete | Event | Points | Rank | Round 1 | Round 2 | Round 3 | Round 4 | Total | Rank |
| Sofía Acevedo | Shoot-out contest | 9 | 1 Q | 4 | 2 | 2 | 0 | 8 | |
| Florencia Chagas | Shoot-out contest | 3 | 19 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

### Dunk contest

| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Semifinal | Semifinal | Semifinal | Semifinal | Final | Final | Final | Final | Final |
| Athlete | Event | Round 1 | Round 2 | Total | Rank | Round 1 | Round 2 | Total | Rank | Round 1 | Round 2 | Round 3 | Total | Rank |
| Fausto Ruesga | Dunk contest | 24 | 27 | 51 | 1 Q | 24 | 27 | 51 | 2 Q | 27 | 26 | 28 | 81 | |

## Beach handball

As hosts, Argentina were given a spot to compete in the boys' and girls' tournament.
| Event | Preliminary round | Preliminary round | Preliminary round | Preliminary round | Preliminary round | Preliminary round | Main round / Consolidation round | Main round / Consolidation round | Main round / Consolidation round | Main round / Consolidation round | Semifinal | Final / BM / PM | Final / BM / PM |
| Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Boys' tournament | Croatia W 2-1 | Paraguay W 2–0 | Portugal W 2–1 | Mauritius W 2–1 | Italy W 2–1 | 1 | Thailand L 1–2 | Spain L 0–2 | Hungary W 2–0 | 2 | Portugal L 1–2 | Croatia W 2–0 | |
| Girls' tournament | Turkey W 2–0 | Paraguay W 2–0 | Venezuela W 2–0 | Hong Kong W 2–0 | Netherlands L 0–2 | 2 | Croatia W 2–1 | Hungary W 2–1 | Chinese Taipei W 2–1 | 3 | Hungary W 2–1 | Croatia W 2–0 | |

## Beach volleyball

As hosts, Argentina was given a spot to compete in the boys' and girls' tournaments.
* Boys' Tournament - 1 team of 2 athletes
* Girls' Tournament - 1 team of 2 athletes
| Athletes | Event | Preliminary round | Preliminary round | Round of 24 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athletes | Event | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Mauro Zelayeta Juan Bautista Amieva Tarditti | Boys' | Broch–Gysin (SUI) L 1–2 Sedlak–Manas (CZE) W 2–0 Narathon–Thanan (THA) W 2–0 | 2 Q | Carboo–Tsatsu (GHA) W 2–0 | Leon–Jurado (ECU) W 2–0 | Bello–Bello (GBR) W 2–0 | de Groot–Immers (NED) L 1–2 | Streli–Hajós (HUN) W 2–0 | |
| Brenda Ailén Churin Delfina Amparo Villar | Girls' | Baumann–Betschart (SUI) L 1–2 Tiaan–Lauren (AUS) W 2–0 Newberry–Sparks (BRA) L 0–2 | 3 Q | Gierczynska–Jundzill (POL) W 2–0 | Alvarez–Moreno (ESP) L 0–2 | Did not advance | Did not advance | Did not advance | Did not advance |

## Boxing

As hosts, Argentina was given quotas to compete in two boys' and one girls' events.

### Boys

| Athlete | Event | Preliminary | Preliminary | Semifinals | Final / BM / PM | Final / BM / PM |
| Athlete | Event | Round 1 | Round 2 | Semifinals | Final / BM / PM | Final / BM / PM |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Mirco Cuello | -56 kg | Qamili (ALB) W 3–2 | — | Khalokov (UZB) L 0–5 | Abbaz (UZB) W 5–0 | |
| Brian Arregui | -69 kg | Rakhmonov (UZB) W 3–2 | — | Rakhmonov (UZB) W 3–2 | Elouarz (MAR) W 5–0 | |

### Girls

| Athlete | Event | Preliminary | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Rank |
| Oriana Saputo | -60 kg | Hamori (HUN) W 5–0 | Dubois (GBR) L 0–5 | Lawson (AUS) W 5–0 | |

## Canoeing

Argentina entered three boats based on its performance at the 2018 World Qualification Event.
* Boys' C1 - 1 boat
* Boys' K1 - 1 boat
* Girls' K1 - 1 boat

### Boys

| Athlete | Event | Qualification | Qualification | Repechage | Repechage | Quarterfinals | Semifinals | Final / BM | Rank |
| Athlete | Event | Time | Rank | Time | Rank | Opposition Result | Opposition Result | Opposition Result | Rank |
| Joaquín Lukac | C1 sprint | 1:58.66 | 10 R | 2:00.13 | 7 | Did not advance | Did not advance | Did not advance | Did not advance |
| Joaquín Lukac | C1 slalom | 1:24.91 | 6 R | 1:28.39 | 5 | Did not advance | Did not advance | Did not advance | Did not advance |
| Valentín Rossi | K1 sprint | 1:40.93 | 3 Q | — | — | van der Westhuyzen (RSA) W 1:40.760 | Kiss (HUN) L 1:39.480 | Pilarz (POL) W 1:38.880 | |
| Valentín Rossi | K1 slalom | 1:15.74 | 5 R | 1:15.91 | 2 Q | Tominc (SLO) L 1:14.700 | Did not advance | Did not advance | Did not advance |

### Girls

| Athlete | Event | Qualification | Qualification | Repechage | Repechage | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank |
| Athlete | Event | Time | Rank | Time | Rank | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Rebeca D'Estéfano |
| Rebeca D'Estéfano | K1 sprint | 1:56.66 | 8 Q | — | — | Bello (NGR) W 1:58.300 | Pecsuková (SVK) L 1:55.280 | Did not advance | Did not advance | Did not advance | Did not advance |
| Rebeca D'Estéfano | K1 slalom | DNF | 20 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

## Cycling

As hosts, Argentina was given spots to compete in the boys' and girls' combined team events and in the mixed BMX racing team event. However they declined to compete in BMX racing. They later qualified two athletes in BMX freestyle based on its performance at the 2018 Urban Cycling World Championship.
* Boys' combined team - 1 team of 2 athletes
* Girls' combined team - 1 team of 2 athletes
* Mixed BMX freestyle - 1 boy and 1 girl

### Mixed BMX freestyle park

| Athlete | Event | Seeding | Seeding | Seeding | Seeding | Qualification | Qualification | Qualification | Qualification | Final / Small final | Final / Small final | Final / Small final | Final / Small final | Total points | Rank |
| Athlete | Event | Run 1 | Run 2 | Score | Seed | Run 1 | Run 2 | Score | Rank | Run 1 | Run 2 | Score | Rank | Total points | Rank |
| Iñaki Iriartes | Mixed BMX freestyle park | 77.00 | 59.33 | 68.16 | 4 | 72.33 | 87.33 | 79.83 | 2 Q | 81.00 | 83.33 | 83.33 | 1 | 25 | |
| Agustina Roth | Mixed BMX freestyle park | 70.00 | 71.66 | 70.83 | 2 | 66.66 | 71.00 | 68.83 | 2 Q | 72.33 | 74.00 | 74.00 | 2 | 25 | |

### Combined team

| Athlete | Event | Time trial | Time trial | Time trial | Road race | Road race | Road race | Cross-country Eliminator | Cross-country Eliminator | Cross-country Short circuit | Cross-country Short circuit | Criterium | Criterium | Total points | Rank |
| Athlete | Event | Time | Rank | Points | Time | Rank | Points | Rank | Points | Rank | Points | Rank | Points | Total points | Rank |
| Agustín Durán | Boys' combined team | 9:11.15 | 17 | 0 | 1:31:03 | 28 | 0 | 28 | 0 | DNF | 0 | 12 | 6 | 136 | 8 |
| Yoel Agustín Vargas | Boys' combined team | 9:11.15 | 17 | 0 | 1:31:03 | 3 | 65 | 31 | 0 | 33 | 0 | 3 | 65 | 136 | 8 |
| Valentina Muñoz | Girls' combined team | 10:06.11 | 11 | 8 | 1:42:19 | 17 | 0 | 21 | 0 | 14 | 3 | 32 | 0 | 14 | 16 |
| Camila Samso | Girls' combined team | 10:06.11 | 11 | 8 | 1:42:19 | 23 | 0 | 16 | 3 | 21 | 0 | 18 | 0 | 14 | 16 |

## Dancesport

As hosts, Argentina was given two quotas to compete in dancesport.
* B-Boys - Broly
* B-Girls - Vale
| Athlete | Event | Preliminary | Preliminary | Preliminary | Preliminary | Quarterfinal | Semifinal | Final / BB | Final / BB |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Rank |
| Broly | B-Boys' | KennyG (TPE) 2–0 | Axel (POL) 1–1 | Bumblebee (RUS) 0–2 | 7 Q | Martin (FRA) L 1–3 | Did not advance | Did not advance | Did not advance |
| Vale | B-Girls' | Anastasia (LAT) 1–1 | Yell (KOR) 0–2 | Srta. Carlota (FRA) 0–2 | 9 | Did not advance | Did not advance | Did not advance | Did not advance |
| Lexy (ITA) Broly | Mixed team | Ella (AUT) Bumblebee (RUS) 1–1 | Ram (JPN) B4 (VIE) 2–0 | Ivy (CYP) D-Matt (CAN) 2–0 | 2 Q | Srta. Carlota (FRA) X-Rain (CHN) W 4–0 | Ella (AUT) Bumblebee (RUS) W 2–2 | Ram (JPN) B4 (VIE) L 2–2 | |
| Vale Axel (POL) | Mixed team | Anastacia (LAT) Shigekix (JPN) 0–2 | Yell (KOR) Jordan (RSA) 0–2 | Martina (RUS) Reflow (BEL) 1–1 | 11 | Did not advance | Did not advance | Did not advance | Did not advance |

## Equestrian

As hosts, Argentina was given a quota to compete.
* Individual Jumping - 1 athlete

## Fencing

As hosts, Argentina was given quotas to compete in all weapons.
* Boys' Épée - 1 quota
* Boys' Foil - 1 quota (not used)
* Boys' Sabre - 1 quota
* Girls' Épée - 1 quota (not used)
* Girls' Foil - 1 quota (not used)
* Girls' Sabre - 1 quota (not used)

### Boys

| Athlete | Event | Pool round | Pool round | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Opposition Score | Seed | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Ignacio Pérez Contreras | Épée | Asami (JPN) L 1–5 Tolasov (RUS) L 1–5 Baudunov (KGZ) L 3–5 Veltrup (GER) L 3–5 Jarov (CAN) L 1–5 | 11 | Tolasov (RUS) L 4–15 | Did not advance | Did not advance | Did not advance | Did not advance |
| Matías Rios | Sabre | Santana (PUR) W 5–2 Santamaría (ESP) L 3–5 Albahrani (KSA) W 5–2 Kato (JPN) L 1–5 Păștin (ROU) L 3–5 Jarry (FRA) L 2–5 | 11 | Vidovszky (USA) L 10–15 | Did not advance | Did not advance | Did not advance | Did not advance |

## Field hockey

As hosts, Argentina was given a spot to compete in both tournaments.
* Boys' tournament - 1 team of 9 athletes
* Girls' tournament - 1 team of 9 athletes

### Boys' tournament
#### Roster

* Agustín Cabaña
* Gaspár Garrone
* Nehuén Hernando
* Ignacio Ibarra
* Tadeo Marcucci
* Santiago Micaz
* Facundo Sarto
* Lisandro Zago
* Facundo Zárate

#### Preliminary round

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Argentina (H) | 5 | 5 | 0 | 0 | 36 | 6 | +30 | 15 | Quarterfinals |
| 2 | Malaysia | 5 | 4 | 0 | 1 | 31 | 11 | +20 | 12 | Quarterfinals |
| 3 | Poland | 5 | 2 | 0 | 3 | 29 | 17 | +12 | 6 | Quarterfinals |
| 4 | Zambia | 5 | 2 | 0 | 3 | 29 | 23 | +6 | 6 | Quarterfinals |
| 5 | Mexico | 5 | 2 | 0 | 3 | 19 | 20 | −1 | 6 | 9th place game |
| 6 | Vanuatu | 5 | 0 | 0 | 5 | 5 | 72 | −67 | 0 | 11th place game |
* 7 October 2018 13:15
| Argentina | 6–2 | Zambia |
| Ibarra 1', 6', 9' Marcucci 4', 18' Sarto 8' | Report | Bwali 7' Siwale 10' |
* Umpires: Peter Kabaso (KEN) James Unkles (AUS)
* 8 October 2018 17:45
| Argentina | 18–0 | Vanuatu |
| Marcucci 2', 3', 7', 10', 15' Zarate 4', 19' Micaz 5', 11', 12' Garrone 5', 11' Ibarra 6', 8', 16', 18' Sarto 14', 20' | Report | |
* Umpires: Napoleon Chanamthabam (IND) James Unkles (AUS)
* 9 October 2018 13:15
| Poland | 2–5 | Argentina |
| Nitka 4' Nowkowski 20' | Report | Garrone 3' Sarto 9', 14' Marcucci 11' Ibarra 20' |
* Umpires: Peter Kabaso (KEN) Nick Saunders (NZL)
* 10 October 2018 17:00
| Malaysia | 2–4 | Argentina |
| Rosdi 5' Ishak 9' | Report | Sarto 8', 14', 19' Zarate 10' |
* Umpires: James Unkles (AUS) Peter Kabaso (KEN)
* 11 October 2018 11:00
| Argentina | 3–0 | Mexico |
| Garrone 2' Zarate 6' Sarto 8' | Report | |
* Umpires: Napoleon Chanamthabam (IND) Peter Kabaso (KEN)

#### Quarterfinals

* 12 October 2018 12:00
| Argentina | 5–0 | Bangladesh |
| Zarate 1', 8', 12' Marcucci 17' Ibarra 18' | Report | |
* Umpires: Peter Kabaso (KEN) Nick Saunders (NZL)

#### Semifinals

* 13 October 2018 15:00
| Argentina | 1–3 | India |
| Zarate 4' | Report | Rajbhar 3' Chirmako 12', 18' |
* Umpires: Peter Kabaso (KEN) Hristiyan Vasilev (BUL)

#### Bronze medal game

* 14 October 2018 13:00
| Argentina | 4–0 | Zambia |
| Zarate 4', 14' Sarto 10' Ibarra 19' | Report | |
* Umpires: Peter Kabaso (KEN) Hideki Kinoshita (JPN)

### Girls' tournament
#### Roster

* Brisa Bruggesser
* María Cerundolo
* Celina di Santo
* Azul Iritxity
* Victoria Miranda
* Gianella Palet
* Lourdes Pérez
* Sofía Ramallo
* Josefina Rubenacker

#### Preliminary round

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Argentina (H) | 5 | 5 | 0 | 0 | 41 | 2 | +39 | 15 | Quarterfinals |
| 2 | India | 5 | 4 | 0 | 1 | 29 | 10 | +19 | 12 | Quarterfinals |
| 3 | South Africa | 5 | 3 | 0 | 2 | 19 | 13 | +6 | 9 | Quarterfinals |
| 4 | Austria | 5 | 2 | 0 | 3 | 19 | 13 | +6 | 6 | Quarterfinals |
| 5 | Uruguay | 5 | 1 | 0 | 4 | 23 | 13 | +10 | 3 | 9th place game |
| 6 | Vanuatu | 5 | 0 | 0 | 5 | 0 | 80 | −80 | 0 | 11th place game |
* 7 October 2018 17:00
| Argentina | 21–0 | Vanuatu |
| Cerundolo 1', 10', 14', 16' Miranda 2', 3' Rubenacker 6', 9', 18', 20' Ramallo 7' di Santo 9', 10', 20' Bruggesser 11', 12', 15', 19' Palet 11', 18', 20' | Report | |
* Umpires: Rhiannon Murrie (AUS) Gemma Calderon (ESP)
* 8 October 2018 13:15
| Argentina | 6–0 | Austria |
| Bruggesser 5', 14' di Santo 7', 16' Rubenacker 11' Ramallo 18' | Report | |
* Umpires: Gemma Calderon (ESP) Sophie Bockelmann (GER)
* 9 October 2018 17:45
| South Africa | 0–4 | Argentina |
| | Report | Cerundolo 3' Bruggesser 4' Palet 5', 12' |
* Umpires: Sophie Bockelmann (GER) Rhiannon Murrie (AUS)
* 10 October 2018 12:30
| India | 2–5 | Argentina |
| Khan 8' Reet 10' | Report | di Santo 7' Ramallo 10', 12' Bruggesser 17' Palet 19' |
* Umpires: Rhiannon Murrie (AUS) Fatma Mahmoud (EGY)
* 11 October 2018 16:15
| Argentina | 5–0 | Uruguay |
| Bruggesser 4' Ramallo 5', 9' Rubenacker 7' Palet 9' | Report | |
* Umpires: Margaux Brand (CAN) Chen Jianjun (CHN)

#### Quarterfinals

* 12 October 2018 17:00
| Argentina | 3–0 | Namibia |
| Rubenacker 2' Bruggesser 8', 20' | Report | |
* Umpires: Sophie Bockelmann (GER) Margaux Brand (CAN)

#### Semifinals

* 13 October 2018 17:00
| Argentina | 11–0 | South Africa |
| Cerundolo 7', 20' di Santo 9', 18' Rubenacker 10', 10', 19' Palet 13', 15' Bruggesser 14', 17' | Report | |
* Umpires: Rhiannon Murrie (AUS) Sophie Bockelmann (GER)

#### Gold medal game

* 14 October 2018 16:30
| Argentina | 3–1 | India |
| Palet 7' Ramallo 10' Bruggesser 12' | Report | Khan 1' |
* Umpires: Sophie Bockelmann (GER) Rhiannon Murrie (AUS)

## Futsal

As hosts, Argentina can compete in either the boys' or girls' tournament.
1 team of 10 athletes

### Boys' tournament
#### Roster

* Matías Coronel
* Alan de Candia
* Facundo Gassmann
* Joaquín Hernández
* Franco Pezzenati
* Agustín Raggiati
* Ezequiel Ramírez
* Santiago Rufino
* Nahuel Urriza
* Christian Vargas

#### Group stage

| Pos | Teamvte | Pld | W | D | L | GF | GA | GD | Pts | Qualification |
| 1 | Egypt | 4 | 3 | 1 | 0 | 15 | 8 | +7 | 10 | Semi-finals |
| 2 | Argentina (H) | 4 | 2 | 1 | 1 | 19 | 8 | +11 | 7 | Semi-finals |
| 3 | Iraq | 4 | 2 | 1 | 1 | 12 | 5 | +7 | 7 | |
| 4 | Slovakia | 4 | 1 | 0 | 3 | 5 | 12 | −7 | 3 | |
| 5 | Panama | 4 | 0 | 1 | 3 | 7 | 25 | −18 | 1 | |

#### Bronze medal match
## Golf

As hosts, Argentina was given a quota to compete in the men's and women's events.
* Men's individual - 1 quota
* Women's individual - 1 quota

### Individuals

| Athlete | Event | Round 1 | Round 1 | Round 2 | Round 2 | Round 2 | Round 3 | Round 3 | Round 3 | Total | Total |
| Athlete | Event | Score | Rank | Score | Total | Rank | Score | Total | Rank | Score | Rank |
| Mateo Fernández de Oliveira | Men's | 73 | 8 | 74 | 147 | 14 | 72 | 219 | 9 | 219 | 11 |
| Ela Anacona | Women's | 73 | 12 | 75 | 148 | 15 | 72 | 220 | 5 | 220 | 5 |

### Mixed team

| Athlete | Event | Round 1 | Round 2 | Round 3 | Round 4 | Total | Total |
| Athlete | Event | Score | Score | Score | Score | Score | Rank |
| Mateo Fernández de Oliveira Ela Anacona | Mixed | 65 | 70 | 69 | 69 | 268 | |

## Gymnastics
### Artistic

As hosts, Argentina was given a quota to compete in the boys' and girls' events.
* Boys' artistic individual all-around - 1 quota
* Girls' artistic individual all-around - 1 quota

### Rhythmic

As hosts, Argentina was given a quota to compete in the girls' event.
* Girls' rhythmic individual all-around - 1 quota

### Trampoline

As hosts, Argentina was given a quota to compete in either the boys' or girls' event.
* Boys' trampoline - 1 quota

## Judo

As hosts, Argentina was given a quota to compete in two events.
* Boys' events - 1 quota
* Girls' events - 1 quota

### Individual

| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Rep 1 | Rep 2 | Rep 3 | Final / BM | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Joaquín Burgos | Boys' -100 kg | — | Sulamanidze (GEO) L 001-101 | Did not advance | — | Gutiérrez (MEX) W 011-001 | Pogorevc (SLO) L 001-100 | Did not advance | 7 |
| Mikaela Rojas | Girls' -44 kg | Abdourahman (DJI) W 100-000 | Giménez (VEN) L 000-001 | Did not advance | — | Hagianu (ROU) W 011–011 | Puljiz (CRO) L 002-100 | Did not advance | 5 |

### Team

| Athletes | Event | Round of 16 | Quarterfinals | Semifinals | Final | Rank |
| Athletes | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Team Barcelona Margarita Gritsenko (KAZ) Jalen Kon Elijah (CMR) Sosorbaram Lkhagvasüren (MGL) Loreince Nanekoula (GAB) Nikol Pencue (COL) Mikaela Rojas (ARG) Mark van Dijk (NED) Peter Miles (GBR) | Mixed Team | Team Atlanta (MIX) L 3–4 | Did not advance | Did not advance | Did not advance | Did not advance |
| Team Nanjing Hasret Bozkurt (TUR) Joaquín Burgos (ARG) Nilufar Ermaganbetova (UZB) Rihari Iki (NZL) Alaa Mousaad Mohamed (EGY) Eva Perez Soler (ESP) Vugar Talibov (AZE) Romain Valadier-Picard (FRA) | Mixed Team | — | Team Beijing (MIX) L 3–4 | Did not advance | Did not advance | Did not advance |

## Karate

As hosts, Argentina was given a quota to compete in four events.
* Boys' events - 2 quotas
* Girls' events - 2 quotas (declined)
| Athlete | Event | Elimination round | Elimination round | Elimination round | Elimination round | Semifinals | Final | Final |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Opposition Score | Rank |
| Rodrigo Tello | Boys' -61 kg | Hammad (JOR) L 0–1 | Al Assiri (KSA) L 0–2 | Veseli (MKD) L 0–6 | 4 | Did not advance | Did not advance | Did not advance |
| Juan Salsench | Boys' -68 kg | Batyrgali (KAZ) L 0–3 | Sekouri (MAR) L 0–1 | Nakamura (JPN) L 0–0 | 4 | Did not advance | Did not advance | Did not advance |

## Modern pentathlon

As hosts, Argentina has been given a spot to compete in the boys' and girls' events. Based on their performance at the 2018 Youth A World Championship Argentina can choose to send Martina Armanazqui or use its host quota.
| Athlete | Event | Fencing Ranking round (épée one touch) | Fencing Ranking round (épée one touch) | Fencing Ranking round (épée one touch) | Swimming (200 m freestyle) | Swimming (200 m freestyle) | Swimming (200 m freestyle) | Fencing Bonus round (épée one touch) | Fencing Bonus round (épée one touch) | Combined: Shooting / Running (10 m air pistol) / (3200 m) | Combined: Shooting / Running (10 m air pistol) / (3200 m) | Combined: Shooting / Running (10 m air pistol) / (3200 m) | Total points | Final rank |
| Athlete | Event | Results | Rank | Points | Time | Rank | Points | Results | Points | Time | Rank | Points | Total points | Final rank |
| Franco Serrano | Boys' Individual | 10–13 | 19 | 202 | 2:07.59 | 9 | 295 | 3–0 | 3 | 12:04.60 | 14 | 576 | 1076 | 15 |
| Martina Armanazqui | Girls' Individual | 13–10 | 7 | 226 | 2:18.78 | 7 | 273 | 1–0 | 1 | 13:35.09 | 18 | 485 | 985 | 10 |
| Salma Abdelmaksoud (EGY) Franco Serrano | Mixed relay | 15–7 15–7 | 3 | 245 | 2:00.31 | 2 | 310 | 2–0 | 2 | 11:41.37 | 5 | 599 | 1156 | |
| Martina Armanazqui Alex Vasilianov (MDA) | Mixed relay | 10–12 12–10 | 11 | 205 | 2:02.59 | 9 | 305 | 2–0 | 2 | 11:52.56 | 10 | 588 | 1100 | 9 |

## Roller speed skating

As hosts, Argentina was given a quota to compete in all events.
* Boys' combined speed event - Nahuel Schelling Quevedo
* Girls' combined speed event - Fernanda Illanes Cabrera

## Rowing

Argentina qualified a boat based on its performance at the 2017 World Junior Rowing Championships. They also qualified one boat in girls' single sculls based on their performance at the American Qualification Regatta.
* Boys' pair – 2 athletes
* Girls' single sculls - 1 athlete
| Athlete | Event | Round 1 | Round 1 | Round 2 | Round 2 | Round 3 | Round 3 | Total | Total | Total | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Final | Final |
| Athlete | Event | Time | Rank | Time | Points | Time | Points | Time | Points | Rank | Time | Rank | Time | Rank | Time | Rank |
| Felipe Modarelli Tomás Herrera | Boys' pair sculls | 3:20.37 | 2 | 1:35.80 | 6 | 1:34.52 | 6+2 | 3:10.32 | 14 | 1 SA/B | — | — | 1:30.68 | 2 FA | 1:30.97 | |
| María Sol Ordás | Girls' single sculls | 3:48.63 | 1 | 1:53.68 | 6+2 | 1:49.74 | 6+2 | 3:43.42 | 16 | 1 QF | 1:45.14 | 1 SA/B | 1:45.11 | 1 FA | 1:43.81 | |
Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; QF=Quarterfinals;

## Rugby sevens

As hosts, Argentina was given a quota to compete in the boys' tournament.
* Boys' tournament - 1 team of 12 athletes

### Roster

* Lucio Cinti Luna
* Ramiro Costa
* Marcos Elicagaray
* Juan González
* Matteo Graziano
* Julián Hernández
* Ignacio Mendy
* Marcos Moneta
* Bautista Pedemonte
* Julián Quetglas
* Nicolás Roger
* Tomás Vanni

### Group stage

| Pos | Teamvte | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | Argentina | 5 | 5 | 0 | 0 | 180 | 38 | +142 | 15 |
| 2 | France | 5 | 4 | 0 | 1 | 111 | 65 | +46 | 13 |
| 3 | Japan | 5 | 2 | 1 | 2 | 74 | 103 | −29 | 10 |
| 4 | South Africa | 5 | 2 | 0 | 3 | 79 | 84 | −5 | 9 |
| 5 | United States | 5 | 0 | 2 | 3 | 67 | 120 | −53 | 7 |
| 6 | Samoa | 5 | 0 | 1 | 4 | 48 | 149 | −101 | 6 |
* 13 October 2018 14:15
| Argentina | 50–7 | Samoa |
| Try: Costa 2'c Mendy 4'm Quetglas 5'c Roger 7'm Moneta (2) 8'c, 14'c Graziano 10'c Hernández 11'm Con: Roger (3/5) 3', 5', 9' Elicagaray (2/3) 10', 14' | Report | Try: Tuitama 1'c Con: Sepulona (1/1) 1' |
* Club Atlético San Isidro, Buenos Aires Referee: Paulo Duarte (Portugal)
* 13 October 2018 17:10
| Argentina | 45–0 | Japan |
| Try: Cinti Luna (2) 2'c, 9'c Vanni 4'm González 6'c Mendy 8'c Graziano 11'm Moneta 13'c Con: Roger (2/3) 3', 6' Elicagaray (3/4) 8', 9', 13' | Report | |
* Club Atlético San Isidro, Buenos Aires Referee: Francisco González (Uruguay)
* 14 October 2018 9:40
| Argentina | 29–12 | France |
| Try: Vanni 0'c Moneta (2) 4'm, 13'm Costa 5'c Mendy 14'm Con: Roger (2/3) 1', 6' Elicagaray (0/2) | Report | Try: Randle 7'c Trouabal 10'm Con: Germain (1/1) 7' Tiberghein (0/1) |
* Club Atlético San Isidro, Buenos Aires Referee: Paulo Duarte (Portugal)
* 14 October 2018 12:20
| South Africa | 5–34 | Argentina |
| Try: Gumede 12'm Con: Rose (0/1) | Report | Try: Mendy (2) 3'm, 5'm Moneta 6'c Costa 8'm Elicagaray 10'c González 14'm Con: Elicagaray (2/4) 7', 10' Roger (0/2) |
* Club Atlético San Isidro, Buenos Aires Referee: Francisco González (Uruguay)
* 15 October 2018 11:30
| United States | 14–22 | Argentina |
| Try: Cleary 6'c Isaia Kruse 8'c Con: Kruse (2/2) 7', 8' | Report | Try: Vanni 3'c Pedemonte 11'm Graziano 12'm Mendy 14'm Con: Elicagaray (1/2) 4' Roger (0/2) |
* Club Atlético San Isidro, Buenos Aires Referee: Francisco González (Uruguay)

### Gold medal game

* 15 October 2018 16:00
| Argentina | 24–14 | France |
| Try: Mendy 0'm Cinti Luna 2'c Roger 4'c Costa 12'm Con: Roger (2/4) 2', 5' | Report | Try: Trouabal (2) 9'c, 10'c Con: Germain (1/1) 9', 10' |
* Club Atlético San Isidro, Buenos Aires Referee: Paulo Duarte (Portugal)

## Sailing

As hosts, Argentina qualified in every event.
| Athlete | Event | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Race | Net points | Final rank |
| Athlete | Event | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | M* | Net points | Final rank |
| Belisario Kopp | Boys' Techno 293+ | 9 | 17 | (25) | 1 | – | 25 | 3 | 14 | 4 | 18 | 12 | 4 | 20 | 127 | 12 |
| Gerónimo Lutteral | Boys' TTR | 10 | 3 | 7 | (10) | 4 | (10) | – | – | – | – | – | – | | 24 | 8 |
| Celina Saubidet Birkner | Girls' Techno 293+ | 8 | 11 | 12 | 4 | – | 10 | (21) | 6 | 4 | 2 | 7 | 4 | 11 | 79 | 6 |
| Ona Romani | Girls' TTR | 2 | (9) | 3 | (9) | 5.8 | 6 | – | – | – | – | – | – | | 19 | 6 |
| Dante Cittadini Teresa Romairone | Nacra 15 | 2 | 1 | 4 | 2 | 4 | 1 | (7) | 6 | 2 | 4 | 1 | 4 | 6 | 37 | |

## Shooting

As hosts, Argentina was given two quotas to compete in shooting, however they declined to compete in boys' 10m air pistol. Argentina later qualified one sport shooter in boys' 10m air rifle based on its performance at the American Qualification Tournament.
* Boys' 10m Air Rifle - 1 quota
* Girls' 10m Air Rifle - 1 quota

### Individual

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Facundo Firmapaz | Boys' 10m Air Rifle | 616.9 | 12 | Did not advance | Did not advance |
| Alliana Volkart | Girls' 10m Air Rifle | 616.1 | 13 | Did not advance | Did not advance |

### Team

| Athletes | Event | Qualification | Qualification | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank |
| Athletes | Event | Points | Rank | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Facundo Firmapaz Viivi Natalia Kemppi (FIN) | Mixed Team 10m Air Rifle | 825.9 | 4 Q | Wang (CHN) Emilov (BUL) W 10–9 | Benetti (ITA) Mahardika (INA) W 10–5 | Erdenechuluun (MGL) Pekler (HUN) L 5 - 10 | Martínez López (MEX) Wadlegger (AUT) W 10–7 | |
| Alliana Volkart Amirsiyavash Zolfagharian (IRI) | Mixed Team 10m Air Rifle | 823.2 | 9 Q | Bober (POL) Dević (MNE) W 10 - 9 | Erdenechuluun (MGL) Pekler (HUN) L 9 - 10 | Did not advance | Did not advance | 6 |

## Sport climbing

As hosts, Argentina was given a quota to compete in the boys' and girls' events. Argentina only sent 1 girl.
* Girls' combined - 1 quota
| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Final | Final | Final | Final | Final |
| Athlete | Event | Speed | Bouldering | Lead | Total | Rank | Speed | Bouldering | Lead | Total | Rank |
| Valentina Aguado | Girls' combined | 6 | 7 | 11 | 462 | 9 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

## Swimming

As hosts, Argentina is allowed to send the maximum quota of four boys' and four girls.

### Boys

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Juan Ignacio Méndez | 200 m backstroke | 2:03.08 | 10 | — | — | Did not advance | Did not advance |
| Joaquín González Piñero | 200 m butterfly | 2:08.57 | 33 | — | — | Did not advance | Did not advance |
| Joaquín González Piñero | 200 m individual medley | 2:06.78 | 14 | — | — | Did not advance | Did not advance |

### Girls

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Julieta Lema | 50 m freestyle | 26.02 | 11 Q | 25.99 | 13 | Did not advance | Did not advance |
| Julieta Lema | 100 m freestyle | 57.07 | 19 | Did not advance | Did not advance | Did not advance | Did not advance |
| Julieta Lema | 50 m butterfly | 27.55 | 10 Q | 27.16 | 9 | Did not advance | Did not advance |
| Delfina Pignatiello | 400 m freestyle | 4:11.86 | 2 Q | — | — | 4:10.40 | |
| Delfina Pignatiello | 800 m freestyle | 8:32.42 | 2 Q | — | — | 8:32.42 | |
| Delfina Dini | 400 m freestyle | 4:17.00 | 7 Q | — | — | 4:19.25 | 8 |
| Delfina Dini | 800 m freestyle | 8:43.71 | 4 Q | — | — | 8:43.71 | 4 |
| María Selene Alborzen | 100 m breaststroke | 1:12.23 | 29 | Did not advance | Did not advance | Did not advance | Did not advance |
| María Selene Alborzen | 200 m breaststroke | 2:32.14 | 10 | — | — | Did not advance | Did not advance |
| María Selene Alborzen | 200 m individual medley | 2:20.81 | 20 | — | — | Did not advance | Did not advance |

### Mixed

| Athlete | Event | Heat | Heat | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank |
| Juan Ignacio Méndez Joaquín González Piñero Delfina Dini Julieta Lema | 4 × 100 m freestyle relay | 3:42.88 | 15 | Did not advance | Did not advance |
| Juan Ignacio Méndez Joaquín González Piñero María Selene Alborzen Julieta Lema | 4 × 100 m medley relay | 4:04.39 | 19 | Did not advance | Did not advance |

## Table tennis

As hosts, Argentina was given two quotas to compete in table tennis. Argentina only sent 1 boy.
* Boys' singles - 1 quota
* Girls' singles - 1 quota
| Athlete | Event | Group stage | Group stage | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Martín Bentancor | Boys' singles | Moregard (SWE) L 1–4 Kim (PRK) L 0–4 Mutti (THA) L 1–4 | 4 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Santiago Lorenzo Chiara Morri (SMR) | Mixed team | France L 0–3 Azerbaijan L 0–3 India L 0–3 | 4 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

## Taekwondo

As hosts, Argentina is allowed to send the maximum quota of three athletes.
| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| José Acuña | Boys −55 kg | Alqade (LBA) W 13–4 | Amadou (IND) L 7–10 | Did not advance | Did not advance | Did not advance |
| Ramiro Ravachino | Boys −63 kg | Bye | Cho (KOR) L 21–41 | Did not advance | Did not advance | Did not advance |
| Milagros Cali | Girls −44 kg | Bye | Rodriguez (MEX) L 3–23 | Did not advance | Did not advance | Did not advance |

## Tennis

As hosts, Argentina is given a quota to compete in the boys' and girls' singles.

### Singles

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Sebastián Báez | Boys' singles | Ho (TPE) W 6–4, 6–1 | Álvarez (ESP) W 5–7, 6–4, 6–4 | Soares (BRA) L 4–6, 4–6 | Did not advance | Did not advance | Did not advance |
| Facundo Díaz Acosta | Boys' singles | Henning (RSA) W 6–0, 6–3 | de Jong (NED) W 4–6, 6–4, 6-3 | Chun-hsin (TPE) W 6–2, 6-4 | Andreev (BUL) W 6–4, 6–1 | Gaston (FRA) L 4–6, 5-7 | |
| María Lourdes Carlé | Girls' singles | Osorio (COL) L 6$^4$–7$^7$, 5–7 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

### Doubles

| Athletes | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Final / BM |
| Athletes | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Sebastián Báez Facundo Díaz Acosta | Boys' doubles | — | Chun-hsin (TPE) / Ho (TPE) W 7–5, 6–2 | Tao (CHN) / Tajima (JPN) W 6–0, 6-1 | Štyler (CZE) / Svrčina (CZE) W 7–5, 1–6, [10-6] | Andreev (BUL) / Hijikata (AUS) W 6–4, 6-4 | |
| María Lourdes Carlé Camila Osorio (COL) | Girls' doubles | — | Nahimana (BDI) / Rivera (GUA) W 6–4, 6–4 | Rakhimova (RUS) / Selekhmeteva (RUS) W 7–5, 3–6, [10-7] | Juvan (SLO) / Świątek (POL) L 2–6, 2-6 | Wang (CHN) / Wang (CHN) L 5–7, 3-6 | 4 |
| Facundo Díaz Acosta Francesca Curmi (MLT) | Mixed doubles | Garland (TPE) / Chun-hsin (TPE) L 2–6, 6–3, [3–10] | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Sebastián Báez María Lourdes Carlé | Mixed doubles | Álvarez (ESP) / Zünd (LIE) W 6–4, 6–2 | Burel (FRA) / Gaston (FRA) L 5–7, 6–4, [8-10] | Did not advance | Did not advance | Did not advance | Did not advance |

## Triathlon

As hosts, Argentina was given a quota to compete in the boys' and girls' races but only one female athlete competed.

### Individual

| Athlete | Event | Swim (750m) | Trans 1 | Bike (19.2 km) | Trans 2 | Run (5 km) | Total time | Rank |
| Delfina Orlandini | Girls | 10:21 | 0:47 | 31:33 | 0:29 | 19:54 | 1:03:04 | 21 |

### Relay

| Athlete | Event | Total times per athlete (Swim 300m, Bike 6.4 km, Run 2 km) | Total group time | Rank |
| Americas 3 Delfina Orlandini Gabriel Terán Carvajal (ECU) Maria Barbosa Sánchez (COL) Solen Wood (CAN) | Mixed relay | 22:49 21:27 24:52 22:35 | 1:31:43 | 7 |

## Weightlifting

As hosts, Argentina is given two quotas to compete.
* Boys' events - 1 quota
* Girls' events - 1 quota
| Athlete | Event | Snatch | Snatch | Clean & jerk | Clean & jerk | Total | Rank |
| Athlete | Event | Result | Rank | Result | Rank | Total | Rank |
| Jonatan Leyes | Boy's 56 kg | 95 | 4 | 120 | 4 | 215 | 4 |
| María Luz Casadevall | Girl's 63 kg | 85 | 4 | 105 | 4 | 190 | 4 |

## Wrestling

As hosts, Argentina is given three quotas to compete.
* Boys' freestyle events - 1 quota
* Boys' Greco-Roman events - 1 quota
* Girls' freestyle events - 1 quota
| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Final / BM / RM | Final / BM / RM |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Rank |
| Hernán Almendra | Freestyle -55 kg | Whitt (GUA) W 4–0 | Laribi (ALG) W 5–4 | — | — | 1Q | Howard (USA) L 6–17 | |
| Eduardo Lovera | Greco-Roman -51 kg | Adiniwin (MHL) W 4–0 | Tokhadze (GEO) L 0–6 | — | — | 2Q | Salas (MEX) L 3–5 | 4 |
| Linda Machuca | Girls' freestyle 73 kg | Gök (TUR) W 8–1 | Dzibuk (BLR) W 8–6 | Oknazarova (UZB) W 10–9 | Jlassi (TUN) W 2–5 | 1Q | Marín (CUB) L 0–4 | |