# Ukraine at the 2018 Summer Youth Olympics

Ukraine participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Mykhaylo Kokhan and Yaroslava Mahuchikh (both - athletics), Sofiya Lyskun (diving), Denys Kesil (swimming) represented Ukraine at the 2020 and 2024 Summer Olympics. Oleh Serbin (diving), Khrystyna Pohranychna (rhythmic gymnastics), and Ihor Troianovskyi (swimming) competed at the 2020 Summer Olympics. Oleh Doroshchuk (athletics), Nazar Chepurnyi (gymnastics), and Yaroslav Tkach (sport climbing) competed at the 2024 Summer Olympics. Yaroslava Mahuchikh won bronze at the 2020 Summer Olympics, becoming the first Ukrainian athlete from the 2018 Games to win a medal at both Youth and senior Olympics and the first Ukrainian to do that at the consecutive Games. In 2024, Mahuchikh became the first Ukrainian athlete who won gold medals at both Youth and senior Olympics. Mykhaylo Kokhan also won a medal at the 2024 Summer Games.

## Medalists

| Medal | Name | Sport | Event | Date |
| Gold | Kateryna Chorniy | Fencing | Girls' épée | 8 Oct |
| Gold | Ivan Tyshchenko | Rowing | Male single sculls | 10 Oct |
| Gold | Mykhaylo Kokhan | Athletics | Boys' hammer throw | 15 Oct |
| Gold | Yaroslava Mahuchikh | Athletics | Girls' high jump | 15 Oct |
| Gold | Valeriya Ivanenko | Athletics | Boys' hammer throw | 15 Oct |
| Silver | Denys Kesil | Swimming | Boys' 200 metre butterfly | 12 Oct |
| Silver | Sofiya Lyskun | Diving | Girls' 10m platform | 13 Oct |
| Silver | Oksana Chudyk | Wrestling | Girls' freestyle 65 kg | 13 Oct |
| Silver | Nazar Chepurnyi | Gymnastics | Boys' vault | 14 Oct |
| Silver | Khrystyna Pohranychna | Rhythmic gymnastics | Girls' individual all-around | 15 Oct |
| Silver | Taras Bondarchuk | Boxing | Boys' lightweight | 17 Oct |
| Silver | Maksym Halinichev | Boxing | Boys' bantamweight | 18 Oct |
| Bronze | Oleh Veredyba | Judo | Boys' 55 kg | 7 Oct |
| Bronze | Anastasia Bachynska | Gymnastics | Girls' individual all-around | 12 Oct |
| Bronze | Oleh Doroshchuk | Athletics | Boys' high jump | 14 Oct |
| Bronze | Vladyslav Ostapenko | Wrestling | Boys' freestyle 55 kg | 14 Oct |
| Bronze | Anastasia Bachynska | Gymnastics | Girls' floor exercise | 15 Oct |
| Bronze | Daryna Plokhotniuk Oleksandr Madei | Acrobatic gymnastics | Mixed pairs | 15 Oct |

### Mixed-NOCs events

| Medal | Name | Sport | Event | Date |
| Gold | Kateryna Chorniy | Fencing | Mixed team | 10 Oct |
| Gold | Nazar Chepurnyi | Gymnastics | Mixed multi-discipline team | 10 Oct |
| Silver | Anastasiya Prozorova | Badminton | Mixed Team | 12 Oct |
| Bronze | Dmytro Honta | Shooting | Mixed 10 metre air pistol | 12 Oct |
| Bronze | Sofiya Lyskun | Diving | Mixed team | 17 Oct |

## Competitors

The following is the list of number of competitors participating at the Games per sport.
| Sport | Men | Women | Total |
| Archery | 1 | 1 | 2 |
| Athletics | 4 | 9 | 13 |
| Badminton | 1 | 1 | 2 |
| Basketball | 4 | 4 | 8 |
| Boxing | 2 | — | 2 |
| Canoeing | 1 | 1 | 2 |
| Cycling | — | 2 | 2 |
| Diving | 1 | 1 | 2 |
| Fencing | — | 1 | 1 |
| Gymnastics | 2 | 3 | 5 |
| Judo | 1 | 1 | 2 |
| Karate | 1 | — | 1 |
| Modern pentathlon | 1 | — | 1 |
| Rowing | 1 | — | 1 |
| Shooting | 1 | — | 1 |
| Sport climbing | 1 | — | 1 |
| Swimming | 2 | 2 | 4 |
| Taekwondo | 1 | — | 1 |
| Tennis | — | 2 | 2 |
| Wrestling | 1 | 1 | 2 |
| Total | 26 | 29 | 55 |

## Archery

Ukraine qualified two archers based on its performance at the 2017 World Archery Youth Championships.

### Individual

| Athlete | Event | Ranking round | Ranking round | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank |
| Athlete | Event | Score | Seed | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Artem Ovchynnikov | Boys' Individual | 679 | 6 | Fabrizzi (ITA) W 6–2 | Tolba (EGY) W 6–5 | Dalpatadu (SRI) W 6–2 | Cowles (USA) L 0–6 | Roos (BEL) L 3–7 | 4 |
| Zhanna Naumova | Girls' Individual | 642 | 13 | Rahmani (IRI) W 6–2 | Son (KOR) L 0–6 | Did not advance | Did not advance | Did not advance | 9 |

### Team

| Athletes | Event | Ranking round | Ranking round | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank |
| Athletes | Event | Score | Seed | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Artem Ovchynnikov (UKR) Liliya Trydvornava (BLR) | Mixed team | 1298 | 23 | Gatco (MDA) Hurnall (AUS) W 5–3 | Kang (PRK) Vaca Cordero (MEX) L 1–5 | Did not advance | Did not advance | Did not advance | 9 |
| Zhanna Naumova (UKR) Franck Eyeni (CIV) | Mixed team | 1300 | 14 | Canales (ESP) Aoshima (JPN) W 5–4 | Kharitonova (RUS) Rezowan (BAN) L 4–5 | Did not advance | Did not advance | Did not advance | 9 |

## Athletics

Ukraine qualified 13 athletes: 4 boys and 9 girls.

### Track & road events

| Athlete | Event | Round 1 | Round 1 | Round 2 | Round 2 | Total | Total |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Andrii Vasyliev | 100 metres | 12.21 | 38 | 42.46 | 36 | 54.67 | 36 |
| Oleksandr Honskyi | 1500 metres | 3:56.39 | 10 | 12:58 | 15 | 25 | 14 |

### Field events

| Athlete | Event | Round 1 | Round 1 | Round 2 | Round 2 | Total | Total |
| Athlete | Event | Distance | Rank | Distance | Rank | Distance | Rank |
| Oleh Doroshchuk | High jump | 2.09 | 3 | 2.14 | 3 | 4.23 | |
| Mykhaylo Kokhan | Hammer throw | 85.97 | 1 | 85.14 | 1 | 171.11 | |

### Track & road events

| Athlete | Event | Round 1 | Round 1 | Round 2 | Round 2 | Total | Total |
| Athlete | Event | Result | Rank | Result | Rank | Result | Rank |
| Nataliia Dyshliuk | 400 metres | 57.67 | 15 | 58.06 | 15 | 1:55.73 | 15 |
| Svitlana Zhulzhyk | 800 metres | 2:09.73 | 7 | 2:10.21 | 7 | 4:19.94 | 6 |
| Katerina Onisimova | 2000 metre steeplechase | 7:00.85 | 14 | 14:25 | 10 | 24 | 11 |
| Daryna Kasyan | 5000 metre walk | 24:01.29 | 7 | 25:06.75 | 8 | 49:08.04 | 7 |

### Field events

| Athlete | Event | Round 1 | Round 1 | Round 2 | Round 2 | Total | Total |
| Athlete | Event | Distance | Rank | Distance | Rank | Distance | Rank |
| Mariia Horielova | Long jump | 5.71 | 7 | 5.79w | 9 | 11.50 | 9 |
| Yaroslava Mahuchikh | High jump | 1.92 | 1 | 1.95 | 1 | 3.87 | |
| Mariia Yashchenko | Pole vault | 3.65 | 9 | 3.42 | 14 | 7.07 | 9 |
| Anastasiia Derkach | Shot put | 14.78 | 9 | 14.66 | 10 | 29.44 | 10 |
| Valeriya Ivanenko | Hammer throw | 74.90 | 1 | 72.08 | 1 | 146.98 | |

## Badminton

Ukraine qualified one player based on the Badminton Junior World Rankings.

### 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 |
| Danylo Bosniuk | Boys' Singles | Farias (BRA) W 2–0 | Sen (IND) L 0–2 | Mostafa Kamel (EGY) W 2–0 | 2 | Did not advance | Did not advance | Did not advance | 9 |
| Anastasiya Prozorova | Girls' Singles | Vũ (VIE) L 0–2 | Delcheva (BUL) L 0–2 | Akoumba Ze (CMR) W 2–0 | 3 | 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 Zeta Danylo Bosniuk (UKR) Christopher Grimley (GBR) Kettiya Keoxay (LAO) Nhat Nguyen (IRL) Maharani Sekar Batari (INA) Jaslyn Hooi (SGP) Nairoby Abigail Jiménez (DOM) Vivien Sándorházi (HUN) | Mixed Teams | Delta (MIX) L (95–110) | Epsilon (MIX) W (110–89) | Alpha (MIX) L (103–110) | 3Q | Sigma (MIX) W (110–106) | Omega (MIX) L (109–110) | Theta (MIX) L (107–110) | 4 |
| Team Omega Anastasiya Prozorova (UKR) Markus Barth (NOR) Oscar Guo (NZL) Chang Ho Kim (FIJ) Kunlavut Vitidsarn (THA) Huang Yin-hsuan (TPE) Léonice Huet (FRA) Vũ Thị Anh Thư (VIE) | Mixed Teams | Gamma (MIX) W (110–99) | Theta (MIX) W (110–100) | Sigma (MIX) W (110–98) | 1Q | Epsilon (MIX) W (110–102) | Zeta (MIX) W (110–109) | Alpha (MIX) L (106–110) | |

## Basketball

Ukraine qualified a boys' and girls' team based on the U18 3x3 National Federation Ranking.
* Boys' tournament - 1 team of 4 athletes
* Girls' tournament - 1 team of 4 athletes

### Competition results
#### Girls' shoot-out contest

| Athlete | Event | Final rank |
| Illia Zaiets Ihor Sergeiev Oleksandr Sydoruk Vitalii Shorstkyi | Boys' tournament | 4 |
| Yuliia Hutevych Veronika Kosmach Anzhelika Liashko Anna Suhak | Girls' tournament | 7 |

#### Girls' shoot-out contest

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Yuliia Hutevych | Shoot-out contest | 5 | 30 | Did not advance | Did not advance |

### Boys' tournament
#### Preliminary round
##### Pool B

| Team | Pld | W | L | PF | PA | PPM |
| Ukraine | 4 | 4 | 0 | 85 | 49 | 21.3 |
| Brazil | 4 | 3 | 1 | 71 | 64 | 17.8 |
| New Zealand | 4 | 2 | 2 | 72 | 72 | 18.0 |
| Venezuela | 4 | 1 | 3 | 72 | 74 | 18.0 |
| Andorra | 4 | 0 | 4 | 39 | 80 | 9.8 |

#### Knockout round
##### Third place game
### Girls' tournament
#### Preliminary round
##### Pool B

| Pos | Team | Pld | W | L | PF | PA | PD | Pts |
| 1 | United States | 4 | 4 | 0 | 84 | 30 | +54 | 8 |
| 2 | Ukraine | 4 | 3 | 1 | 70 | 44 | +26 | 7 |
| 3 | Venezuela | 4 | 1 | 3 | 56 | 69 | −13 | 5 |
| 4 | Sri Lanka | 4 | 1 | 3 | 41 | 75 | −34 | 5 |
| 5 | Egypt | 4 | 1 | 3 | 41 | 74 | −33 | 5 |

#### Knockout round
##### Quarterfinals
## Boxing
### Boys

| Athlete | Event | Preliminary R1 | Preliminary R2 | Semifinals | Final / RM | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Maksym Halinichev | -56 kg | Amram (NRU) W 5–0 | — | Abbaz (MAR) W 5–0 | Khalokov (UZB) L 0-5 | |
| Taras Bondarchuk | -60 kg | Murdoch-McKeich (NZL) W 5–0 | — | Mamdouh (EGY) W 5-0 | Phoemsap (THA) L 0-5 | |

## Canoeing

Ukraine qualified two boats based on its performance at the 2018 World Qualification Event.
* Boys' C1 - 1 boat
* Girls' C1 - 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 |
| Taras Kuzyk | C1 sprint | 1:57.54 | 7 | 1:54.61 | 2 | Bakhraddin (KAZ) L 1:57.48 | Did not advance | Did not advance | Did not advance |
| Taras Kuzyk | C1 slalom | 1:23.49 | 3 | Bye | Bye | Palla (HUN) W 1:23.87 | Anderson (NZL) L 1:22.64 | Bernárdez (ESP) L 1:24.01 | 4 |

### 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 |
| Amina Palamarchuk | C1 sprint | 2:23.23 | 6 | Bye | Bye | Arias (CHI) W 2:20.61 | Gonczol (HUN) L 2:31.18 | Did not advance | Did not advance | Did not advance |
| Amina Palamarchuk | C1 slalom | 1:44.75 | 13 | 1:43.12 | 3 | Lewandowski (GER) L 1:53.71 | Did not advance | Did not advance | Did not advance | Did not advance |

## Cycling

Ukraine qualified to compete in girls' combined team.
* Girls' combined team - 1 team of 2 athletes

### 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 |
| Olha Kulynych | Girls' combined team | 10:12.32 | 13 | 4 | 1:42:19 | 26 | 0 | 22 | 0 | 5 | 40 | 2 | 80 | 124 | 10 |
| Oleksandra Logvinyuk | Girls' combined team | 10:12.32 | 13 | 4 | 1:42:19 | 24 | 0 | 26 | 0 | 35 | 0 | 26 | 0 | 124 | 10 |

## Diving

| Athlete | Event | Preliminary | Preliminary | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Oleh Serbin | Boys' 10 m platform | 493.95 | 6 | 486.50 | 6 |
| Sofiya Lyskun | Girls' 3 m springboard | 416.75 | 4 | 398.75 | 11 |
| Sofiya Lyskun | Girls' 10 m platform | 420.80 | 3 | 406.10 | |
| Sofiya Lyskun (UKR) Ruslan Ternovoi (RUS) | Mixed team | — | — | 371.15 | |
| Chiara Pellacani (ITA) Oleh Serbin (UKR) | Mixed team | — | — | 333.40 | 6 |

## Fencing
### Girls

| Athlete | Event | Qualification | Qualification | Qualification | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank |
| Athlete | Event | Victories | Loses | Rank | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Kateryna Chorniy | Girls' épée | Amer (EGY) W 5—1 Wasiak (BEL) W 5—4 Tae-hee (KOR) W 5—1 Hsieh (HKG) W 5—2 | Bieleszová (CZE) L 4—5 Dyner (CRC) L 3—5 | 2 | Muridova (KAZ) W 15—10 | Dékány (HUN) W 14—13 | Bieleszová (CZE) W 15—11 | Hsieh (HKG) W 11—9 | |

### Mixed

| Athlete | Event | Qualification | Qualification | Quarterfinals | Semifinals/Repechage | Final / Placement match | Rank |
| Athlete | Event | Points | Rank | Opposition Result | Opposition Result | Opposition Result | Rank |
| Europe 1 Kateryna Chorniy (UKR) Martina Favaretto (ITA) Liza Pusztai (HUN) Davide Di Veroli (ITA) Armand Spichiger (FRA) Krisztián Rabb (HUN) | Mixed team | 7 | 1 | Africa W 30—18 | Europe 3 W 30—22 | Asia-Oceania 1 W 28—25 | |

## Gymnastics
### Acrobatic

Ukraine qualified a mixed pair based on its performance at the 2018 Acrobatic Gymnastics World Championship.
* Mixed pair - 1 team of 2 athletes

#### Mixed pair

| Athletes | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Final | Final |
| Athletes | Event | BE | Rank | DE | Rank | CE | Rank | CE | Rank |
| Daryna Plokhotniuk Oleksandr Madei | Mixed pairs | 27.600 | 1 | 27.400 | 5 | 27.000 | 4 Q | 27.450 | |

### Artistic

Ukraine qualified two gymnasts based on its performance at the 2018 European Junior Championship.
* Boys' artistic individual all-around - 1 quota
* Girls' artistic individual all-around - 1 quota

#### Qualification

| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification |
| Athlete | Event | Apparatus | Apparatus | Apparatus | Apparatus | Apparatus | Apparatus | Total | Rank |
| Athlete | Event | F | PH | R | V | PB | HB | Total | Rank |
| Nazar Chepurnyi | Boys' artistic qualification | 13.566 | 12.400 q | 12.266 | 13.550 q | 13.833 q | 12.400 | 77.465 | 10 Q |

#### All-around

| Athlete | Event | Final | Final | Final | Final | Final | Final | Final | Final |
| Athlete | Event | Apparatus | Apparatus | Apparatus | Apparatus | Apparatus | Apparatus | Total | Rank |
| Athlete | Event | F | PH | R | V | PB | HB | Total | Rank |
| Nazar Chepurnyi | All-around | 13.666 | 12.900 | 13.100 | 13.833 | 13.666 | 12.166 | 79.331 | 6 |

#### Apparatus finals

| Athlete | Event | Total | Rank |
| Nazar Chepurnyi | Vault | 13.983 | |
| Nazar Chepurnyi | Floor exercise | 13.500 | 4 |
| Nazar Chepurnyi | Parallel bars | 13.466 | 4 |

#### Qualification

| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification |
| Athlete | Event | Apparatus | Apparatus | Apparatus | Apparatus | Total | Rank |
| Athlete | Event | V | UB | BB | F | Total | Rank |
| Anastasia Bachynska | Women's artistic qualification | 13.900 q | 13.466 q | 13.400 q | 13.300 q | 54.066 | 1 Q |

#### All-around

| Athlete | Event | Final | Final | Final | Final | Final | Final |
| Athlete | Event | Apparatus | Apparatus | Apparatus | Apparatus | Total | Rank |
| Athlete | Event | V | UB | BB | F | Total | Rank |
| Anastasia Bachynska | All-around | 13.866 | 13.433 | 12.933 | 12.100 | 52.332 | |

#### Apparatus finals

| Athlete | Event | Total | Rank |
| Anastasia Bachynska | Vault | 13.400 | 4 |
| Anastasia Bachynska | Floor exercise | 13.166 | |
| Anastasia Bachynska | Uneven bars | 13.133 | 6 |
| Anastasia Bachynska | Balance beam | 11.800 | 6 |

### Rhythmic

Ukraine qualified one rhythmic gymnast based on its performance at the European qualification event.
* Girls' rhythmic individual all-around - 1 quota

#### All-around

| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Final | Final | Final | Final | Final | Final |
| Athlete | Event | Apparatus | Apparatus | Apparatus | Apparatus | Total | Rank | Apparatus | Apparatus | Apparatus | Apparatus | Total | Rank |
| Athlete | Event | H | B | C | R | Total | Rank | H | B | C | R | Total | Rank |
| Khrystyna Pohranychna | All-around | 17.000 | 15.350 | 16.450 | 13.250 | 62.050 | 3 Q | 17.750 | 14.850 | 16.950 | 15.550 | 65.100 | |

### Mixed multi-discipline team

| Rank | Team | Athlete | Acrobatic | Acrobatic | Acrobatic | Artistic | Artistic | Artistic | Artistic | Artistic | Artistic | Artistic | Artistic | Rhythmic | Rhythmic | Rhythmic | Rhythmic | Trampoline | Trampoline | Total points |
| Rank | Team | Athlete | D | B | C | | | | | | | | | | | | | R1 | R2 | Total points |
| | Simone Biles (Orange) | Mariela Kostadinova (BUL) Panayot Dimitrov (BUL) | 5 | 4 | 1 | | | | | | | | | | | | | | | 293 |
| | Simone Biles (Orange) | Ruan Lange (RSA) | | | | – | – | – | 17 | – | – | | | | | | | | | | | | 293 |
| | Simone Biles (Orange) | Krisztián Balázs (HUN) | | | | 6 | 10 | 11 | – | 5 | 2 | | | | | | | | | 293 |
| | Simone Biles (Orange) | Nazar Chepurnyi (UKR) | | | | 5 | 11 | 18 | 19 | 3 | 14 | | | | | | | | | 293 |
| | Simone Biles (Orange) | Tamara Ong (SGP) | | | | 17 | | | – | | | – | 21 | | | | | | | | | 293 |
| | Simone Biles (Orange) | Phạm Như Phương (VIE) | | | | 11 | | | 20 | | | 17 | – | | | | | | | 293 |
| | Simone Biles (Orange) | Alba Petisco (ESP) | | | | – | | | 7 | | | 14 | 19 | | | | | | | 293 |
| | Simone Biles (Orange) | Talisa Torretti (ITA) | | | | | | | | | | | | 4 | 5 | 2 | 2 | | | | 293 |
| | Simone Biles (Orange) | Daria Trubnikova (RUS) | | | | | | | | | | | | 1 | 1 | 1 | 1 | | | 293 |
| | Simone Biles (Orange) | Yelyzaveta Luzan (AZE) | | | | | | | | | | | | – | – | – | – | | | 293 |
| | Simone Biles (Orange) | Liam Christie (AUS) | | | | | | | | | | | | | | | | 9 | 8 | 293 |
| | Simone Biles (Orange) | Fan Xinyi (CHN) | | | | | | | | | | | | | | | | 1 | 1 | 293 |
| 5 | Dong Dong (Purple) | Rachel Nell (RSA) Sidwell Madibeng (RSA) | 11 | 11 | 11 | | | | | | | | | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Daniel Schwed (GER) | | | | 8 | 4 | – | 16 | 22 | 13 | | | | | | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Marcus Stenberg (SWE) | | | | 12 | – | 15 | – | – | – | | | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Diogo Soares (BRA) | | | | – | 7 | 7 | 8 | 9 | 3 | | | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Beatriz Cardoso (POR) | | | | 22 | | | 11 | | | – | – | | | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Ana Maria Puiu (ROU) | | | | – | | | 17 | | | 19 | 6 | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Lee Yun-seo (KOR) | | | | 20 | | | – | | | 6 | 20 | | | | | | | 389 |
| 5 | Dong Dong (Purple) | Aurora Arvelo (FIN) | | | | | | | | | | | | 19 | 9 | – | 10 | | | | 389 |
| 5 | Dong Dong (Purple) | Khrystyna Pohranychna (UKR) | | | | | | | | | | | | 2 | 8 | 3 | 9 | | | 389 |
| 5 | Dong Dong (Purple) | Wang Zilu (CHN) | | | | | | | | | | | | – | – | 12 | – | | | 389 |
| 5 | Dong Dong (Purple) | Nikita Babyonishev (UZB) | | | | | | | | | | | | | | | | 10 | 6 | 389 |
| 5 | Dong Dong (Purple) | Yekaterina Lukina (KAZ) | | | | | | | | | | | | | | | | 11 | 12 | 389 |
| 7 | Yang Wei (Red) | Liu Yiqian (CHN) Li Zhengyang (CHN) | 9 | 9 | 9 | | | | | | | | | | | | | | | 403 |
| 7 | Yang Wei (Red) | Félix Dolci (CAN) | | | | 9 | 12 | 4 | 3 | 21 | 5 | | | | | | | | | | | | 403 |
| 7 | Yang Wei (Red) | Martin Guðmundsson (ISL) | | | | 10 | – | – | 13 | – | – | | | | | | | | | 403 |
| 7 | Yang Wei (Red) | Bora Tarhan (TUR) | | | | – | 15 | 13 | – | 18 | 17 | | | | | | | | | 403 |
| 7 | Yang Wei (Red) | Kryxia Alicea (PUR) | | | | – | | | – | | | DNS | – | | | | | | | | | 403 |
| 7 | Yang Wei (Red) | Aliaksandra Varabyova (BLR) | | | | 13 | | | 19 | | | 23 | 12 | | | | | | | 403 |
| 7 | Yang Wei (Red) | Anastasiia Bachynska (UKR) | | | | 1 | | | 3 | | | 2 | 2 | | | | | | | 403 |
| 7 | Yang Wei (Red) | Maria Arakaki (BRA) | | | | | | | | | | | | – | – | 18 | – | | | | 403 |
| 7 | Yang Wei (Red) | Paula Serrano (ESP) | | | | | | | | | | | | 16 | 12 | 9 | 18 | | | 403 |
| 7 | Yang Wei (Red) | Xitlali Santana (MEX) | | | | | | | | | | | | 24 | 21 | – | 21 | | | 403 |
| 7 | Yang Wei (Red) | Andrew Stamp (GBR) | | | | | | | | | | | | | | | | 5 | 7 | 403 |
| 7 | Yang Wei (Red) | Jessica Pickering (AUS) | | | | | | | | | | | | | | | | 8 | 2 | 403 |
| 8 | Kohei Uchimura (Blue) | Daryna Plokhotniuk (UKR) Oleksandr Madei (UKR) | 1 | 5 | 4 | | | | | | | | | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Abdulaziz Mirvaliev (UZB) | | | | 16 | 24 | 17 | 15 | 19 | 24 | | | | | | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Michael Torres (PUR) | | | | 24 | 16 | 21 | 18 | 15 | 23 | | | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Ondřej Kalný (CZE) | | | | did not start | did not start | did not start | did not start | did not start | did not start | | | | | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Amelie Morgan (GBR) | | | | 4 | | | 4 | | | 4 | 8 | | | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Tang Xijing (CHN) | | | | 5 | | | – | | | 3 | 1 | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Csenge Bácskay (HUN) | | | | – | | | 5 | | | – | – | | | | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Josephine Juul Møller (NOR) | | | | | | | | | | | | – | 13 | 21 | – | | | | 407 |
| 8 | Kohei Uchimura (Blue) | Denisa Stoian (ROU) | | | | | | | | | | | | 14 | 19 | – | 14 | | | 407 |
| 8 | Kohei Uchimura (Blue) | Anna Kamenshchikova (BLR) | | | | | | | | | | | | 3 | – | 7 | 12 | | | 407 |
| 8 | Kohei Uchimura (Blue) | Noureddine-Younes Belkhir (ALG) | | | | | | | | | | | | | | | | 11 | 10 | 407 |
| 8 | Kohei Uchimura (Blue) | Emily Mussmann (SUI) | | | | | | | | | | | | | | | | 4 | 3 | 407 |

## Judo
### 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 |
| Oleh Veredyba | Boys' 55 kg | Ariel Shulman [he] (ISR) W 10-00 | Bryan Garboa (ECU) W 10-00s1 | Temuujin Ganburged (MGL) L 00-10 | Bye | Bye | Bye | Romain Valadier-Picard (FRA) W 10-00s3 | |
| Anastasia Balaban | Girls' 44 kg | Paulina Țurcan (MDA) W 10-00 | Eva Pérez (ESP) W 10-00 | María Giménez (VEN) L 00-01 | Bye | Bye | Bye | Erza Muminoviq (KOS) L 10-00 | 4 |

### Team

| Athletes | Event | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athletes | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Team Singapore Ahad Al-Sagheer (YEM) Anastasia Balaban (UKR) Bryan Garboa (ECU) Sarah Kafufula (COD) Mariem Khlifi (TUN) Ahmed Mohamed Fahmy (EGY) Eduarda Rosa (BRA) Ilia Sulamanidze (GEO) | Mixed Team | Team Moscow (MIX) L 3–4 | Did not advance | Did not advance | Did not advance | Did not advance |
| Team Montreal Houda Faissal Abdourahman (DJI) Nemesis Candelo (PAN) Szofi Ozbas (HUN) Ester Svobodova (CZE) Oleh Veredyba (UKR) Kimy Bravo Blanco (CUB) Rhys Allan (AUS) Julian Gutierrez (MEX) | Mixed Team | Team Beijing (MIX) L 2–5 | Did not advance | Did not advance | Did not advance | Did not advance |

## Karate

Ukraine qualified one athlete based on its performance at one of the Karate Qualification Tournaments.
* Boys' -68 kg - Robert Shyroian
| 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 |
| Robert Shyroian | Boys' -61 kg | Quentin Mahauden (BEL) D 0–0 | Rosario Ruggiero (ITA) L 0–3 | Bojan Bošković (MNE) L 0–3 | 4 | Did not advance | Did not advance | Did not advance |

## Modern pentathlon
### Individual

| Athlete | Event | Fencing Ranking Round | Swimming | Fencing Bonus Round | Laser-Run | Total | Rank |
| Yevhen Ziborov | Boys' individual | 250 | 295 | 1 | 560 | 1106 | 10 |

### Mixed

| Athlete | Event | Fencing Ranking Round | Swimming | Fencing Bonus Round | Laser-Run | Total | Rank |
| Viktoriia Novikova (RUS) Yevhen Ziborov (UKR) | Mixed relay | 170 | 300 | 8 | 560 | 1038 | 21 |

## Rowing

Ukraine qualified one boat based on its performance at the 2018 European Rowing Junior Championships.
* Boys' single sculls - 1 boat

### Single sculls

| Athlete | Event | Time trial | Time trial | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Quarterfinals | Quarterfinals | Finals | Finals |
| Athlete | Event | Time trial | Time trial | Heat 2 | Heat 2 | Heat 2 | Heat 3 | Heat 3 | Heat 3 | Total | Total | Total | | | Quarterfinals | Quarterfinals | Finals | Finals |
| Athlete | Event | Time | Rank | Time | Rank | Points | Time | Rank | Points | Time | Points | Rank | Time | Rank | Time | Rank |
| Ivan Tyshchenko | Boys' single sculls | 3:33.37 | 5 | 1:45.90 | 1 | 6 | 1:39.11 | 1 | 6 | 3:25.01 | 12 | 5 QA/B | 1:34.31 | 1 QA | 1:32.47 | |

## Shooting

Ukraine qualified one sport shooter based on its performance at the 2018 European Championships.
* Boys' 10m Air Pistol - 1 quota

### Individual

| Athlete | Event | Qualification | Qualification | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Dmytro Honta | Boys' 10 m air pistol | 561-13 | 12 | Did not advance | Did not advance |

### Mixed

| Athlete | Event | Qualification | Qualification | Round of 16 | Quarterfinal | Semifinal | Final | Final |
| Athlete | Event | Points | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Andrea Victoria Ibarra Miranda (MEX) Dmytro Honta (UKR) | Mixed 10 metre air pistol | 738 | 16 Q | Mak (SGP) Salavati (IRI) W 10-5 | Campostrini (ITA) Zorge (LAT) W 10-8 | Bhaker (IND) Fayzullaev (TJK) L 3-10 | al-Kaabi (IRQ) Son (BEL) W 10-4 | |

## Sport climbing
### Boys

| Athlete | Event | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Qualification | Final | Final | Final | Final | Final | Final | Final | Final | Final |
| Athlete | Event | Speed | Speed | Boulder | Boulder | Lead | Lead | Lead | Total | Rank | Speed | Speed | Boulder | Boulder | Lead | Lead | Lead | Total | Rank |
| Athlete | Event | Best | Place | Result | Place | Hold | Time | Place | Total | Rank | Best | Place | Result | Place | Hold | Time | Place | Total | Rank |
| Yaroslav Tkach | Boys' combined | 6.88 | 2 | 0T2z 0 19 | 17 | 23 | — | 20 | 680 | 11 | Did not qualify | Did not qualify | Did not qualify | Did not qualify | Did not qualify | Did not qualify | Did not qualify | Did not qualify | Did not qualify |

## Swimming
### Boys

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Swim-off | Swim-off | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank | Time | Rank |
| Ihor Troianovskyi | 50 metre butterfly | 24.53 | 13 Q | 24.33 | 10 | — | — | Did not advance | Did not advance |
| Ihor Troianovskyi | 100 metre butterfly | 53.94 | 11 Q | 52.88 | 7 Q | — | — | 52.73 | 5 |
| Ihor Troianovskyi | 200 metre butterfly | 2:01.80 | 10 | — | — | — | — | Did not advance | Did not advance |
| Denys Kesil | 50 metre butterfly | 24.97 | 20 | Did not advance | Did not advance | — | — | Did not advance | Did not advance |
| Denys Kesil | 100 metre butterfly | 53.69 | 8 Q | 53.47 | 8 QSO | 53.42 | 2 | Did not advance | Did not advance |
| Denys Kesil | 200 metre butterfly | 1:57.70 | 1 Q | — | — | — | — | 1:55.89 | |

### Girls

| Athlete | Event | Heat | Heat | Semifinal | Semifinal | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Maryna Kolesnykova | 100 metre backstroke | 1:04.27 | 21 | Did not advance | Did not advance | Did not advance | Did not advance |
| Maryna Kolesnykova | 200 metre backstroke | 2:18.92 | 20 | — | — | Did not advance | Did not advance |
| Yuliia Stadnyk | 50 metre butterfly | 28.15 | 23 | Did not advance | Did not advance | Did not advance | Did not advance |
| Yuliia Stadnyk | 100 metre butterfly | 1:01.01 | 4 Q | 1:01.19 | 9 | Did not advance | Did not advance |
| Yuliia Stadnyk | 200 metre butterfly | 2:16.94 | 9 | — | — | Did not advance | Did not advance |

## Taekwondo

| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Final | Final |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Oleksandr Dziuba | Boys −63 kg | Bye | Nareupong Thepsen (THA) L 26-28 | Did not advance | Did not advance | Did not advance |

## Tennis
### Singles

| Athlete | Event | Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final / BM | Rank |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Viktoriia Dema | Girls' Singles | Sato (JPN) W 2-0 6-1, 6-4 | Juvan (SLO) L 0-2 0-6, 0-6 | Did not advance | Did not advance | Did not advance | Did not advance |
| Margaryta Bilokin | Girls' Singles | Cocciaretto (ITA) L 0-2 2-6, 4-6 | 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 | Rank |
| Athletes | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Margaryta Bilokin (UKR) Viktoriia Dema (UKR) | Girls' Doubles | — | Ivanov (NZL) Naklo (THA) W 2-0 6-1, 6-3 | Naito (JPN) Sato (JPN) L 1-2 7-5, 5-7, [10]-[8] | Did not advance | Did not advance | Did not advance |
| Viktoriia Dema (UKR) Adrian Andreev (BUL) | Mixed Doubles | Sun (SUI) Wenger (SUI) L 0-2 3-6, 6-7 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |
| Margaryta Bilokin (UKR) Yankı Erel (TUR) | Mixed Doubles | Molinaro (LUX) de Jong (NED) L 0-2 1-6, 6-7 | Did not advance | Did not advance | Did not advance | Did not advance | Did not advance |

## Weightlifting

Ukraine qualified two athletes based on its performance at the 2017 World Youth Championships.
* Boys' events - 1 quota
* Girls' events - 1 quota
On 30 September 2017, Ukraine was handed a one-year ban from the IWF for doping violations which was in effect til mid-October. Therefore, Ukrainian athletes were unable to compete in Buenos Aires.

## Wrestling

* VFA – Victory by Fall
* VSU – Without any points scored by the opponent
* VSU1 – With point(s) scored by the opponent
* VPO – Without any points scored by the opponent
* VPO1 – With point(s) scored by the opponent
| Athlete | Event | Group stage | Group stage | Group stage | Group stage | Group stage | Final / RM | Rank |
| Athlete | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank | Opposition Score | Rank |
| Vladyslav Ostapenko | Boys' freestyle −55kg | Fujita (JPN) W 10 – 4 $^{VPO1}$ | Howard (USA) L 5 – 10 $^{VPO1}$ | — | — | 2 Q | Laribi (ALG) W 10 – 0 $^{VSU}$ | |
| Oksana Chudyk | Girls' freestyle −65kg | Nabaina (CMR) W 10 – 3 $^{VPO1}$ | Balogun (NGR) W 2 – 1 $^{VPO1}$ | Sghaier (TUN) W 10 – 0 $^{VSU}$ | Vesso (EST) W 1 – 1 $^{VPO1}$ | 1 Q | Zhou (CHN) L 0 – 10 $^{VSU}$ | |