# Grégoire Jacq

Grégoire Jacq (born 9 November 1992) is a French tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 62 achieved on 14 October 2024. Jacq has won 10 ATP Challenger doubles titles. He also has a career high singles ranking of No. 332 achieved on 29 October 2018.

## Career
### 2017: Major debut in doubles

Jacq made his main draw debut at the 2017 French Open after receiving a wildcard to the doubles main draw with Hugo Nys. They were defeated by Jan-Lennard Struff and Mischa Zverev in the first round.

### 2023-2025: First two ATP finals in doubles and top 70 debut

Following five doubles Challenger titles starting in June 2023 and another two in the first three months of 2024 (six of the total with Manuel Guinard), he reached a career high doubles ranking of No. 97 on 6 May 2024. Next, the French duo Jacq/Guinard entered their home Slam, the 2024 French Open as alternates, and on their Major debut as a team, defeated 14th seeded American pair of Nathaniel Lammons and Jackson Withrow in the first round. They reached the third round with a win over Guido Andreozzi and Rinky Hijikata. They lost to the Tsitsipas brothers.
He reached his first ATP final with Guinard at the 2024 Swedish Open defeating defending champions and top seeded pair of Aleksandr Nedovyesov and Gonzalo Escobar. They lost to Brazilian duo Rafael Matos and Orlando Luz. The following week the pair reached their second ATP final at the 2024 Croatia Open Umag. As a result he reached the top 70 in the doubles rankings on 29 July 2024.
At the 2025 Australian Open Jacq recorded his first win at the tournament, partnering Orlando Luz, over alternate pair Jeevan Nedunchezhiyan and Vijay Sundar Prashanth.

## ATP Tour career finals
### Doubles: 2 (2 runners-up)

* Legend
* Grand Slam tournaments (0–0)
* ATP Masters 1000 (0–0)
* ATP 500 (0–0)
* ATP 250 (0–2)
* Finals by surface
* Hard (0–0)
* Clay (0–2)
* Grass (0–0)
* Finals by setting
* Outdoor (0–2)
* Indoor (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Jul 2024 | Swedish Open, Sweden | 250 Series | Clay | Manuel Guinard | Orlando Luz Rafael Matos | 5–7, 4–6 |
| Loss | 0–2 | Jul 2024 | Croatia Open, Croatia | 250 Series | Clay | Manuel Guinard | Guido Andreozzi Miguel Ángel Reyes-Varela | 4–6, 2–6 |

## ATP Challenger and ITF Tour finals
### Singles: 13 (5–8)

* Legend
* ATP Challenger (0–0)
* ITF Futures (5–8)
* Finals by surface
* Hard (2–4)
* Clay (2–4)
* Grass (0–0)
* Carpet (1–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Jun 2015 | Bulgaria F3, Blagoevgrad | Futures | Clay | Ivan Nedelko | 6–3, 4–6, 2–6 |
| Loss | 0–2 | Aug 2015 | Turkey F32, Sakarya | Futures | Hard | Yannick Jankovits | 4–6, 4–6 |
| Win | 1–2 | Mar 2016 | Italy F1, Trento | Futures | Carpet | Dominik Boehler | 6–1, 6–4 |
| Loss | 1–3 | May 2016 | Algeria F2, Algiers | Futures | Clay | Mario Vilella Martínez | 4–6, 2–6 |
| Loss | 1–4 | Jun 2016 | France F10, Mont-de-Marsan | Futures | Clay | Maxime Hamou | 4–6, 5–7 |
| Win | 2–4 | Jun 2016 | Germany F4, Kaltenkirchen | Futures | Clay | Yannick Maden | 3–6, 3–2 ret. |
| Loss | 2–5 | Aug 2016 | Slovakia F3, Slovenska Lupca | Futures | Clay | Petr Michnev | 5–7, 2–6 |
| Loss | 2–6 | Oct 2016 | France F21, Nevers | Futures | Hard | Albano Olivetti | 6–7$^{(6–8)}$, 3–6 |
| Loss | 2–7 | Jan 2017 | France F2, Bressuire | Futures | Hard | Gleb Sakharov | 3–6, 3–6 |
| Win | 3–7 | Aug 2017 | Slovakia F2, Piešťany | Futures | Clay | Lukas Klein | 6–4, 3–6, 6–3 |
| Loss | 3–8 | Sep 2018 | France F17, Mulhouse | Futures | Hard | Andres Artunedo Martinavarro | 6–7$^{(6–8)}$, 5–7 |
| Win | 4–8 | Oct 2018 | France F20, Nevers | Futures | Hard | Gleb Sakharov | 6–3, 6–2 |
| Win | 5–8 | Oct 2018 | France F22, Rodez | Futures | Hard | Rémi Boutillier | 7–6$^{(7–5)}$, 6–4 |

### Doubles: 52 (29 titles, 23 runners-up)

* Legend (doubles)
* ATP Challenger Tour (10–2)
* ITF Futures Tour (19–21)
* Titles by surface
* Hard (8–11)
* Clay (19–9)
* Grass (0–0)
* Carpet (1–3)

#### ATP Challengers Finals (10–2)

| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Jun 2023 | Troisdorf, Germany | Challenger | Clay | Manuel Guinard | Íñigo Cervantes Oriol Roca Batalla | 2–6, 6–7$^{(1–7)}$ |
| Win | 1–1 | Jun 2023 | Lyon, France | Challenger | Clay | Manuel Guinard | Constantin Frantzen Hendrik Jebens | 6–4, 2–6, [10–7] |
| Win | 2–1 | Jun 2023 | Blois, France | Challenger | Clay | Dan Added | Théo Arribagé Luca Sanchez | 6–4, 6–4 |
| Win | 3–1 | Jul 2023 | Troyes, France | Challenger | Clay | Manuel Guinard | Álvaro López San Martín Daniel Rincón | Walkover |
| Win | 4–1 | Jul 2023 | Amersfoort, Netherlands | Challenger | Clay | Manuel Guinard | Mats Hermans Sander Jong | 6–4, 6–4 |
| Win | 5–1 | Aug 2023 | Meerbusch, Germany | Challenger | Clay | Manuel Guinard | Fernando Romboli Marcelo Zormann | 7–5, 7–6 |
| Win | 6–1 | Jan 2024 | Nonthaburi, Thailand | Challenger | Hard | Manuel Guinard | Francis Casey Alcantara Sun Fajing | 6–4, 7–6$^{(8–6)}$ |
| Win | 7–1 | Mar 2024 | Zadar, Croatia | Challenger | Clay | Manuel Guinard | Roman Jebavý Zdeněk Kolář | 6–4, 6–4 |
| Win | 8–1 | Jun 2024 | Lyon, France | Challenger | Clay | Manuel Guinard | Markos Kalovelonis Vladyslav Orlov | 4–7, 6–3, [10–6] |
| Loss | 8–2 | Jul 2024 | Karlsruhe, Germany | Challenger | Clay | Dan Added | Jakob Schnaitter Mark Wallner | 4–6, 0–6 |
| Win | 9–2 | Jul 2024 | Salzburg, Austria | Challenger | Clay | Manuel Guinard | Petr Nouza Patrik Rikl | 2–6, 6–3, [14–12] |
| Win | 10–2 | Sep 2024 | Rennes, France | Challenger | Clay | Sander Arends | Antoine Escoffier Joshua Paris | 6–4, 6–2 |