Grégoire Jacq

Grégoire Jacq (born 9 November 1992) is a French tennis player. He has a career high ATP doubles ranking of World No. 89 achieved on 10 June 2024. He has a career high singles ranking of World No. 332 achieved on 29 October 2018.

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.

2023-2024: Top 100 debut and first ATP final in doubles
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 to seeded pair of Aleksandr Nedovyesov and Gonzalo Escobar.