# Thiago Agustín Tirante

Thiago Agustín Tirante (born 10 April 2001) is an Argentine professional tennis player. He has a career-high ATP singles ranking of world No. 90, achieved on 15 April 2024 and a doubles ranking of No. 257, achieved on 1 November 2021.

## Career
### 2019: Junior world No. 1

He achieved a career-high ITF juniors year-end ranking of No. 1 in the world in 2019. Tirante won the 2019 French Open – Boys' doubles title.

### 2021: Maiden Challenger title

He won his maiden Challenger title at the 2021 Ambato La Gran Ciudad in Ecuador.

### 2023-2024: ATP and Major debuts and first wins, top 100

He reached the final of the 2023 Mexico City Open where he lost to Dominik Koepfer. He reached the top 150 on 8 May 2023 following his second Challenger title at the 2023 Morelos Open in Mexico defeating top seed James Duckworth.
Ranked No. 153, he made his Grand Slam main draw debut at the 2023 French Open defeating Dominic Stricker in the last round of qualifying. He won his first Grand Slam match defeating 25th seed Botic van de Zandschulp.
In August, he made his ATP debut at the 2023 Los Cabos Open and recorded his first win at an ATP tournament over qualifier Gonzalo Lama. He won his third Challenger at the 2023 Open Bogotá over Gustavo Heide and reached a new career-high ranking of No. 111 on 2 October 2023. At the same tournament, he also won the doubles title with Renzo Olivo.
At the 2024 Córdoba Open, he reached the main draw as a lucky loser and recorded his third ATP win over an ATP debutant, wildcard Francisco Comesaña. He reached the top 100 following the 2024 Rio Open on 26 February 2024. Next he defeated João Fonseca in Santiago.
He won his fourth Challenger at the 2024 Mexico City Open without dropping a set and reached a new singles career-high of No. 91 on 8 April 2024.
In July, Tirante reached his first ATP Tour semifinal at the 2024 Swedish Open after a run which included wins over world No. 8 and defending champion, Andrey Rublev, his first top 10 win, and Roberto Carballés Baena in the quarterfinals, before losing to Nuno Borges.

## ATP Challenger Tour finals
### Singles: 9 (4 titles, 5 runner-ups)

* Legend
* ATP Challenger Tour (4–5)
* Finals by surface
* Hard (1–1)
* Clay (3–4)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Nov 2020 | Lima, Peru | Challenger | Clay | Daniel Elahi Galán | 1–6, 6–3, 3–6 |
| Loss | 0–2 | Jul 2021 | Trieste, Italy | Challenger | Clay | Tomás Martín Etcheverry | 1–6, 1–6 |
| Win | 1–2 | Sep 2021 | Ambato, Ecuador | Challenger | Clay | Juan Pablo Varillas | 7–5, 7–5 |
| Loss | 1–3 | Aug 2022 | Lima, Peru | Challenger | Clay | Camilo Ugo Carabelli | 2–6, 6–7$^{(4–7)}$ |
| Loss | 1–4 | Mar 2023 | Ciudad de México, Mexico | Challenger | Clay | Dominik Koepfer | 6–2, 4–6, 2–6 |
| Win | 2–4 | Apr 2023 | Cuernavaca, Mexico | Challenger | Hard | James Duckworth | 7–5, 6–0 |
| Win | 3–4 | Sep 2023 | Bogotá, Colombia | Challenger | Clay | Gustavo Heide | walkover |
| Win | 4–4 | Apr 2024 | Ciudad de México, Mexico | Challenger | Clay | Alexis Galarneau | 6–1, 6–3 |
| Loss | 4–5 | Nov 2024 | São Paulo, Brazil | Challenger | Hard | Francisco Comesaña | 5–7, 6–4, 4–6 |

### Doubles: 7 (3 titles, 4 runner-ups)

* Legend
* ATP Challenger Tour (3–4)
* Finals by surface
* Hard (0–1)
* Clay (3–3)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Feb 2020 | Punta del Este, Uruguay | Challenger | Clay | Juan Manuel Cerúndolo | Orlando Luz Rafael Matos | 4–6, 2–6 |
| Loss | 0–2 | May 2021 | Salinas II, Ecuador | Challenger | Hard | Antonio Cayetano March | Nicolás Barrientos Sergio Galdós | walkover |
| Win | 1–2 | Sep 2021 | Quito, Ecuador | Challenger | Clay | Alejandro Gómez | Adrián Menéndez Maceiras Mario Vilella Martínez | 7–5, 6–7$^{(5–7)}$, [10–8] |
| Loss | 1–3 | Sep 2021 | Ambato, Ecuador | Challenger | Clay | Alejandro Gómez | Diego Hidalgo Cristian Rodríguez | 3–6, 6–4, [3–10] |
| Loss | 1–4 | Jul 2022 | Troyes, France | Challenger | Clay | Juan Bautista Torres | Íñigo Cervantes Oriol Roca Batalla | 1–6, 2–6 |
| Win | 2–4 | Oct 2022 | Ambato, Ecuador | Challenger | Clay | Santiago Rodríguez Taverna | Benjamin Lock Courtney John Lock | 7–6$^{(13–11)}$, 6–3 |
| Win | 3–4 | Sep 2023 | Bogotá, Colombia | Challenger | Clay | Renzo Olivo | Orlando Luz Guillermo Durán | 7–6$^{(8–6)}$, 6–4 |

## ITF World Tennis Tour finals
### Singles: 3 (1 title, 2 runner-ups)

* Legend
* ITF WTT (1–2)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Aug 2019 | M15 Cancún, Mexico | WTT | Hard | Ronan Joncour | 6–3, 5–7, 1–6 |
| Win | 1–1 | Oct 2020 | M15 Monastir, Tunisia | WTT | Hard | Wojciech Marek | 7–6$^{(7–2)}$, 6–7$^{(4–7)}$, 6–3 |
| Loss | 1–2 | Oct 2020 | M15 Monastir, Tunisia | WTT | Hard | Skander Mansouri | 4–6, 6–3, 6–7$^{(5–7)}$ |

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

* Legend
* ITF WTT (1–2)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Aug 2019 | M15 Cancún, Mexico | WTT | Hard | Shintaro Mochizuki | Isaac Stoute Brandon Walkin | 6–7$^{(4–7)}$, 7–5, [10–4] |
| Loss | 1–1 | Sep 2020 | M15 Monastir, Tunisia | WTT | Clay | Matias Franco Descotte | Aristotelis Thanos Petros Tsitsipas | 3–6, 4–6 |
| Loss | 1–2 | Oct 2020 | M15 Monastir, Tunisia | WTT | Hard | Luis Patiño | Maik Steiner Patrick Zahraj | 6–4, 4–6, [8–10] |

## Junior Grand Slam finals
### Doubles: 1 (1 title)

| Result | Year | Tournament | Surface | Partner | Opponents | Score |
| Win | 2019 | French Open | Clay | Matheus Pucinelli de Almeida | Flavio Cobolli Dominic Stricker | 7–6$^{(7–3)}$, 6–4 |

## Wins over top 10 players

* Tirante's record against players who were, at the time the match was played, ranked in the top 10.
| Season | 2024 | Total |
| Wins | 1 | 1 |
| No. | Player | Rank | Tournament | Surface | Rd | Score | Rk |
| 2024 ||||||||
| 1. | Andrey Rublev | 8 | Båstad, Sweden | Clay | 2R | 7–6$^{(7–5)}$, 3–6, 6–4 | 121 |