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Gregoire Jacq vs. Constant Lestienne - H2H matches
| 15.01.16 | 1/4 | Constant Lestienne | Gregoire Jacq | 6-2, 6-0 | match details |  France F1 | Clay |
| 20.09.15 | q 2 | Constant Lestienne | Gregoire Jacq | 6-3, 6-4 | match details | Metz | I. hard |
| 19.01.15 | 2nd round | Gregoire Jacq | Constant Lestienne | 3-6, 7-5, 6-3 | match details | France F2 | I. hard |
| 21.04.14 | 1st round | Gregoire Jacq | Constant Lestienne | 6-3, 7-5 | match details | France F8 | Clay |
Gregoire Jacq form & Constant Lestienne form
Gregoire Jacq - last matches
| Rennes Challenger - I. hard | ||||
| 08.09.24 q 1 | vs. Kai Wehnelt | 3-6, 4-6 |  | match details |
| M25 Angers - Clay | ||||
| 19.04.23 1st round | vs. Ugo Blanchet | 7-64, 3-6, 2-6 | | match details |
| 17.04.23 qual. | vs. Adan Freire Da Silva | 6-0, 6-3 |  | match details |
| 16.04.23 q 1 | vs. Roman Lafond | 6-0, 6-4 | | match details |
| M15 Villers - I. hard | ||||
| 02.11.22 1st round | vs. Alexandre Aubriot | 2-6, 4-6 | | match details |
| 31.10.22 qual. | vs. Dominik Kellovsky | 6-2, 2-0, Dominik Kellovsky - retired | | match details |
| 30.10.22 q 1 | vs. William Jucha | 6-3, 6-4 | | match details |
| M25 Sarreguemines - Carpet | ||||
| 27.10.22 2nd round | vs. Alexis Gautier | 2-6, 1-6 | | match details |
| 25.10.22 1st round | vs. Nikolay Vylegzhanin | 7-63, 6-4 | | match details |
| 24.10.22 qual. | vs. Dominik Kellovsky | 6-4, 6-3 | | match details |
| 23.10.22 q 1 | vs. Louis Dussin | 7-65, 6-4 | | match details |
| M25+H Rodez - I. hard | ||||
| 13.10.22 2nd round | vs. Gauthier Onclin | 6-79, 0-3, - Gregoire Jacq - retired | | match details |
| 12.10.22 1st round | vs. Leo Raquillet | 6-71, 6-4, 6-1 | | match details |
| 11.10.22 qual. | vs. Valentin Lapalu | 6-3, 7-62 | | match details |
| 10.10.22 q 1 | vs. Adan Freire Da Silva | 6-3, 7-5 | | match details |
| M25 Nevers - I. hard | ||||
| 02.10.22 q 1 | vs. Pierre Montrieul | 5-7, 3-6 | | match details |
| M25+H Bagneres - Hard | ||||
| 06.09.22 1st round | vs. Antoine Hoang | 6-2, 3-6, 4-6 | | match details |
 M15 Marrakech - Clay | ||||
| 24.03.22 1st round | vs. Lorenzo Joaquin Rodriguez | 6-2, 1-2, - Gregoire Jacq - retired | | match details |
| 22.03.22 qual. | vs. Philip Bachmaier | 4-6, 6-72 | | match details |
| 21.03.22 q 2 | vs. Philippe Mercelina | 6-1, 6-3 | | match details |
| 20.03.22 q 1 | vs. Caspar Schuetze | 6-2, 6-1 | | match details |
| M25+H Rodez - I. hard | ||||
| 17.10.19 2nd round | vs. Yannick Mertens | 3-6, 3-6 | | match details |
| 16.10.19 1st round | vs. Joffrey De Schepper | 6-4, 6-3 | | match details |
| M25+H Nevers - I. hard | ||||
| 04.10.19 1/4 | vs. Quentin Halys | 6-4, 3-6, 4-6 | | match details |
| 03.10.19 2nd round | vs. Maxence Beauge | 6-3, 6-76, 6-4 | | match details |
| 02.10.19 1st round | vs. Axel Garcian | 6-3, 6-2 | | match details |
| M25+H Plaisir - I. hard | ||||
| 21.09.19 1/2 | vs. Yannick Mertens | 4-6, 6-77 | | match details |
| 20.09.19 1/4 | vs. Lucas Poullain | 6-4, 6-3 | | match details |
| 19.09.19 2nd round | vs. Jonathan Eysseric | 7-61, 7-62 | | match details |
| 18.09.19 1st round | vs. Tobias Simon | 4-4, Tobias Simon - retired | | match details |
Constant Lestienne - last matches
| Paris - Clay | ||||
| 19.05.25 q 1 | vs. Roman Andres Burruchaga | 3-6, 6-76 | | match details |
 Wuxi Challenger - Hard | ||||
| 09.05.25 2nd round | vs. Alex Bolt | 3-6, 6-1, 2-6 | | match details |
| 06.05.25 1st round | vs. Yasutaka Uchiyama | 6-1, 6-3 | | match details |
| Guangzhou Challenger - Hard | ||||
| 28.04.25 1st round | vs. Yu Hsiou Hsu | 5-7, 4-6 | | match details |
 Gwangju Challenger - Hard | ||||
| 21.04.25 1st round | vs. Hyeon Chung | 1-6, 4-6 | | match details |
| Busan Challenger - Hard | ||||
| 15.04.25 1st round | vs. Brandon Holt | 6-1, 6-72, 4-6 | | match details |
 Morelia Challenger - Hard | ||||
| 25.03.25 1st round | vs. Christopher Eubanks | 4-6, 0-3, - Constant Lestienne - retired | | match details |
 Cap Cana - Hard | ||||
| 14.03.25 1/4 | vs. Alexandre Muller | 6-76, 4-6 | | match details |
| 13.03.25 2nd round | vs. Fabio Fognini | 6-4, 6-3 | | match details |
| 12.03.25 1st round | vs. Cameron Norrie | 6-4, 7-5 | | match details |
 Indian Wells - Hard | ||||
| 03.03.25 q 1 | vs. Adam Walton | 5-7, 4-6 | | match details |
| San Diego - Hard | ||||
| 27.02.25 2nd round | vs. Arthur Cazaux | 5-7, 4-6 | | match details |
| 25.02.25 1st round | vs. Stefan Dostanic | 6-3, 6-4 | | match details |
 Glasgow Challenger - I. hard | ||||
| 19.02.25 2nd round | vs. Max Hans Rehberg | 3-6, 6-75 | | match details |
| 17.02.25 1st round | vs. Henry Searle | 7-5, 6-0 | | match details |
 Manama Challenger - Hard | ||||
| 10.02.25 1st round | vs. Duje Ajdukovic | 6-4, 4-6, 6-74 | | match details |
 Rotterdam - I. hard | ||||
| 05.02.25 1st round | vs. Arthur Fils | 7-64, 2-6, 1-6 | | match details |
| 02.02.25 qual. | vs. Daniel Altmaier | 7-63, 6-4 | | match details |
| 01.02.25 q 1 | vs. Ryan Nijboer | 7-63, 7-66 | | match details |
| Montpellier - I. hard | ||||
| 29.01.25 2nd round | vs. Bu Yunchaokete | 2-6, 1-6 | | match details |
| 28.01.25 1st round | vs. Borna Coric | 6-3, 7-5 | | match details |
| 27.01.25 qual. | vs. Terence Atmane | 6-4, 6-0 | | match details |
| 26.01.25 q 1 | vs. Benoit Paire | 6-0, 6-4 | | match details |
| Quimper Challenger - I. hard | ||||
| 23.01.25 2nd round | vs. Elmer Moller | 4-6, 4-6 | | match details |
| 22.01.25 1st round | vs. Mattia Bellucci | 7-65, 7-5 | | match details |
 Melbourne - Hard | ||||
| 07.01.25 q 1 | vs. Vit Kopriva | 3-6, 1-4, - Constant Lestienne - retired | | match details |
| Noumea Challenger - Hard | ||||
| 03.01.25 1/2 | vs. Moerani Bouzige | 7-63, 3-6, 4-6 | | match details |
| 02.01.25 1/4 | vs. Valentin Vacherot | 6-2, 4-6, 7-5 | | match details |
| 01.01.25 2nd round | vs. August Holmgren | 5-7, 6-2, 7-61 | | match details |
| 31.12.24 1st round | vs. Jake Delaney | 6-3, 6-3 | | match details |
