# Juan Ignacio Londero

Juan Ignacio Londero (Latin American Spanish:; born 15 August 1993) is an Argentine tennis player.
Londero reached his career-high ATP singles ranking of world No. 50 in November 2019 and his highest ATP doubles ranking of world No. 186 in March 2020.

## Career

Londero made his first appearance on an ATP World Tour in July 2013 when he lost in the first round of 2013 Claro Open Colombia against eventual champion Ivo Karlović.
He managed to win his first tour level match at the 2019 Córdoba Open against Nicolás Jarry and subsequently won his first ATP title at the tournament as a wildcard, defeating Guido Pella in the final.
He reached the fourth round of the 2019 French Open for the first time at a Major. He entered the 2022 French Open as lucky loser.

## Performance timelines

Key :
| W | F | SF | QF | #R | RR | Q# | P# | DNQ | A | Z# | PO | G | S | B | NMS | NTI | P | NH |

### Singles

Current after the 2022 Chile Open.
| Tournament | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | SR | W–L | Win % |
| Grand Slam tournaments |||||||||||||||
| Australian Open | A | A | A | A | A | A | Q2 | 1R | 1R | A | | 0 / 2 | 0–2 | 0% |
| French Open | A | Q1 | Q1 | A | A | Q3 | 4R | 2R | 1R | 1R | | 0 / 4 | 4–4 | 50% |
| Wimbledon | A | Q1 | A | A | A | Q1 | 1R | NH | 1R | | | 0 / 2 | 0–2 | 0% |
| US Open | A | Q3 | A | A | A | Q1 | 2R | 2R | Q1 | | | 0 / 2 | 2–2 | 50% |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 4–3 | 2–3 | 0–3 | 0–1 | 0–0 | 0 / 10 | 6–10 | 38% |
| ATP World Tour Masters 1000 |||||||||||||||
| Indian Wells Masters | A | A | A | A | A | A | Q1 | NH | A | | | 0 / 0 | 0–0 | 0% |
| Miami Open | A | A | A | A | A | A | Q1 | NH | A | | | 0 / 0 | 0–0 | 0% |
| Monte Carlo Masters | A | A | A | A | A | A | 1R | NH | 2R | | | 0 / 2 | 0–2 | 50% |
| Madrid Open | A | A | A | A | A | A | Q2 | NH | Q2 | | | 0 / 0 | 0–0 | 0% |
| Italian Open | A | A | A | A | A | A | A | Q1 | Q1 | | | 0 / 0 | 0–0 | 0% |
| Canadian Open | A | A | A | A | A | A | A | NH | A | | | 0 / 0 | 0–0 | 0% |
| Cincinnati Masters | A | A | A | A | A | A | 2R | Q1 | A | | | 0 / 1 | 1–1 | 50% |
| Shanghai Masters | A | A | A | A | A | A | 1R | NH | A | | | 0 / 1 | 0–1 | 0% |
| Paris Masters | A | A | A | A | A | A | Q1 | A | A | | | 0 / 0 | 0–0 | 0% |
| Win–loss | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 0–0 | 1–3 | 0–0 | 0–1 | 0–0 | 0–0 | 0 / 4 | 1–4 | 20% |
| Career statistics |||||||||||||||
| | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | Career | Career | Career |
| Tournaments | 1 | 1 | 0 | 0 | 0 | 1 | 22 | 9 | 11 | 4 | | Career total: 49 | Career total: 49 | Career total: 49 |
| Titles | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | | Career total: 1 | Career total: 1 | Career total: 1 |
| Finals | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | | Career total: 2 | Career total: 2 | Career total: 2 |
| Overall win–loss | 0–1 | 0–1 | 0–0 | 0–0 | 0–0 | 0–1 | 22–21 | 9–10 | 0–11 | 4–4 | 0–0 | 1 / 49 | 35–49 | 42% |
| Win % | 0% | 0% | 0% | 0% | 0% | 0% | 51% | 47% | 0% | 50% | 0% | Career total: 41.67% | Career total: 41.67% | Career total: 41.67% |
| Year-end ranking | 278 | 232 | 287 | 341 | 362 | 118 | 50 | 79 | 144 | 238 | 603 | $2,104,904 | $2,104,904 | $2,104,904 |

## ATP Tour finals
### Singles: 2 (1 title, 1 runner-up)

* Legend
* Grand Slam (0–0)
* ATP Masters 1000 (0–0)
* ATP 500 (0–0)
* ATP 250 (1–1)
* Finals by surface
* Hard (0–0)
* Clay (1–1)
* Grass (0–0)
* Finals by setting
* Outdoor (1–1)
* Indoor (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Feb 2019 | Córdoba Open, Argentina | ATP 250 | Clay | Guido Pella | 3–6, 7–5, 6–1 |
| Loss | 1–1 | Jul 2019 | Swedish Open, Sweden | ATP 250 | Clay | Nicolás Jarry | 6–7$^{(7–9)}$, 4–6 |

### Doubles: 1 (1 runner-up)

* Legend
* Grand Slam (0–0)
* ATP Masters 1000 (0–0)
* ATP 500 (0–0)
* ATP 250 (0–1)
* Finals by surface
* Hard (0–0)
* Clay (0–1)
* Grass (0–0)
* Finals by setting
* Outdoor (0–1)
* Indoor (0–0)
| Result | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | Feb 2020 | Argentina Open, Argentina | ATP 250 | Clay | Guillermo Durán | Marcel Granollers Horacio Zeballos | 4–6, 7–5, [16–18] |

## ATP Challenger Tour finals
### Singles: 4 (2 titles, 2 runner–ups)

* Legend
* ATP Challenger Tour (2–2)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Apr 2018 | Mexico City, Mexico | Challenger | Clay | Roberto Quiroz | 6–1, 6–3 |
| Win | 2–0 | Jul 2018 | Marburg, Germany | Challenger | Clay | Hugo Dellien | 3–6, 7–5, 6–4 |
| Loss | 2–1 | Jul 2018 | Tampere, Finland | Challenger | Clay | Tallon Griekspoor | 3–6, 6–2, 3–6 |
| Loss | 2–2 | Nov 2021 | Montevideo, Uruguay | Challenger | Clay | Hugo Dellien | 0–6, 1–6 |

### Doubles: 3 (1 title, 2 runner–ups)

* Legend
* ATP Challenger Tour (1–2)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Oct 2014 | Córdoba, Argentina | Challenger | Clay | Hugo Dellien | Marcelo Demoliner Nicolás Jarry | 3–6, 5–7 |
| Loss | 0–2 | Jul 2017 | Tampere, Finland | Challenger | Clay | Lucas Gomez | Sander Gillé Joran Vliegen | 2–6, 7–6$^{(5)}$, [3–10] |
| Win | 1–2 | Aug 2017 | Santo Domingo, Dominican Republic | Challenger | Clay | Luis David Martínez | Daniel Elahi Galán Santiago Giraldo | 6–4, 6–4 |

## ITF Futures/World Tennis Tour finals
### Singles: 13 (7 titles, 6 runner–ups)

* Legend
* ITF Futures/WTT (5–4)
* Finals by surface
* Hard (0–0)
* Clay (5–4)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Oct 2011 | Bolivia F2, Cochabamba | Futures | Clay | Guido Pella | 4–6, 3–6 |
| Win | 1–1 | Apr 2012 | Argentina F7, Neuquén | Futures | Clay | Juan-Pablo Amado | 6–2, 3–6, 6–4 |
| Loss | 1–2 | Sep 2012 | Argentina F23, La Rioja | Futures | Clay | Pablo Galdón | 1–6, 1–6 |
| Loss | 1–3 | May 2013 | Argentina F5, Villa María | Futures | Clay | Gabriel Alejandro Hidalgo | 4–6, 1–6 |
| Loss | 1–4 | Aug 2013 | Argentina F15, San Juan | Futures | Clay | Andrés Molteni | 4–6, 7–6$^{(2)}$, 1–6 |
| Win | 2–4 | Oct 2013 | Peru F3, Lima | Futures | Clay | Ricardo Urzua-Rivera | 6–7$^{(8)}$, 6–2, 6–2 |
| Win | 3–4 | Dec 2013 | Venezuela F9, Caracas | Futures | Clay | Luis David Martínez | 6–2, 6–1 |
| Win | 4–4 | Mar 2014 | Argentina F4, Marcos Juarez | Futures | Clay | Andrés Molteni | 6–2, 6–4 |
| Win | 7–6 | Jul 2023 | M25 Rosario, Argentina | WTT | Clay | Daniel Vallejo | 6–3, 6–2 |

### Doubles: 15 (6 titles, 9 runner–ups)

* Legend
* ITF Futures (6–9)
* Finals by surface
* Hard (2–1)
* Clay (4–8)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Jun 2011 | Argentina F7, Obera | Futures | Clay | Nicolás Pastor | Patricio Heras Guillermo Durán | 1–6, 6–7$^{(4)}$ |
| Loss | 0–2 | Sep 2011 | Bolivia F1, La Paz | Futures | Clay | Rodrigo Scattareggia | Boris Arias Hugo Dellien | 6–3, 6–7$^{(3)}$, [7–10] |
| Loss | 0–3 | May 2012 | Argentina F9, Villa Allende | Futures | Clay | Leandro Migani | Sebastián Decoud Diego Schwartzman | 3–6, 4–6 |
| Loss | 0–4 | Jul 2012 | Argentina F17, Córdoba | Futures | Clay | Diego Hidalgo | Juan Vazquez-Valenzuela Andrés Molteni | 2–6, 2–6 |
| Loss | 0–5 | Jul 2012 | Argentina F18, Bell Ville | Futures | Clay | Martín Cuevas | Guillermo Durán Renzo Olivo | 4–6, 5–7 |
| Win | 1–5 | Sep 2012 | Argentina F23, La Rioja | Futures | Clay | Mateo Nicolás Martínez | Gabriel Alejandro Hidalgo M Pérez Mota | 3–6, 6–3, [10–8] |
| Win | 2–5 | Sep 2012 | Argentina F24, San Juan | Futures | Clay | Mateo Nicolás Martínez | Juan Pablo Ortiz Tomás Lipovšek Puches | 6–2, 7–6$^{(6)}$ |
| Loss | 2–6 | Dec 2012 | Argentina F27, Buenos Aires | Futures | Clay | Mateo Nicolás Martínez | Leandro Migani Facundo Mena | 3–6, 3–6 |
| Loss | 2–7 | Apr 2013 | Turkey F13, Antalya | Futures | Hard | Mateo Nicolás Martínez | Maximiliano Estévez José Hernández-Fernández | 3–6, 5–7 |
| Win | 3–7 | Apr 2013 | Turkey F15, Antalya | Futures | Hard | Mateo Nicolás Martínez | Mikhail Biryukov Maxim Dubarenco | 6–4, 6–4 |
| Win | 4–7 | Dec 2013 | Venezuela F8, Valencia | Futures | Hard | Maximiliano Estévez | Roberto Maytín Piero Luisi | 7–6$^{(5)}$, 6–2 |
| Loss | 4–8 | Dec 2013 | Venezuela F9, Caracas | Futures | Clay | Mateo Nicolás Martínez | Roberto Maytín Piero Luisi | 3–6, 4–6 |
| Loss | 4–9 | Mar 2014 | Argentina F4, Marcos Juarez | Futures | Clay | Andrés Molteni | Hugo Dellien Maximiliano Estévez | 3–6, 4–6 |
| Win | 5–9 | Jan 2017 | USA F5, Weston | Futures | Clay | Facundo Argüello | Gonzalo Escobar Luis David Martínez | 6–4, 6–7$^{(1)}$, [14–12] |
| Win | 6–9 | Feb 2017 | USA F6, Palm Coast | Futures | Clay | Facundo Argüello | Julian Bradley Isaiah Strode | 6–2, 6–3 |