| Challenger de Perugia | 07/10 19:25 | 25 | [106] Paolo Lorenzi v Tristan Lamasine [252] | 6-1,7-6 | |
| Challenger de Perugia | 07/08 12:25 | 24 | [252] Tristan Lamasine v Santiago Giraldo [240] | 7-5,6-7,7-6 | |
| Challenger de Milán | 06/26 08:00 | 25 | [295] Nino Serdarusic v Tristan Lamasine [254] | 6-2,6-2 | |
| Challenger de Blois | 06/21 15:50 | 27 | [122] Pedro Sousa v Tristan Lamasine [254] | 6-1,6-1 | |
| Challenger de Blois | 06/20 09:00 | 26 | [254] Tristan Lamasine v Federico Coria [179] | 6-4,7-6 | |
| Challenger de Blois | 06/18 16:40 | 25 | [254] Tristan Lamasine v Scott Griekspoor [263] | 7-6,6-4 | |
| Challenger de Lyon | 06/11 11:30 | 25 | [101] Albert Ramos-Vinolas v Tristan Lamasine [254] | 6-1,6-2 | |
| Challenger de Lyon | 06/10 13:15 | 24 | [278] Jose Hernandez-Fernandez v Tristan Lamasine [254] | 4-6,0-6 | |
| ATP Lyon | 05/22 17:10 | 26 | [18] Nikoloz Basilashvili v Tristan Lamasine [270] | 7-5,7-5 | |
| ATP Lyon | 05/20 11:15 | 25 | [270] Tristan Lamasine v Jannik Sinner [229] | 6-0,7-6 | |
| ATP Lyon | 05/19 08:00 | 164 | [275] Tristan Lamasine v Jannik Sinner [263] | 4-6,3-6 | |
| ATP Lyon | 05/18 08:00 | 64 | [94] Alexander Bublik v Tristan Lamasine [275] | 2-6,6-2,5-7 | |
| Challenger de Aix-en-Provence | 05/06 13:00 | 24 | [173] James Ward v Tristan Lamasine [271] | 7-6,7-6 | |
| Challenger de Burdeos | 04/30 12:10 | 25 | [274] Tristan Lamasine v Filip Horansky [186] | 6-4,6-7,4-6 | |
| Challenger de Burdeos | 04/29 13:40 | 24 | [274] Tristan Lamasine v Chun Hsin Tseng [427] | 6-0,6-4 | |
| Challenger de Nanchang | 04/22 06:20 | 24 | [255] Andrej Martin v Tristan Lamasine [275] | 6-2,6-2 | |
| Challenger de Anning | 04/15 05:50 | 24 | [278] Tristan Lamasine v Yasutaka Uchiyama [226] | 4-6,7-5,5-7 | |
| Challenger de Sophia Antipolis | 04/01 12:05 | 24 | [279] Tristan Lamasine v Roberto Marcora [207] | 2-6,1-6 | |
| Challenger de Saint-Brieuc | 03/25 10:30 | 24 | [279] Tristan Lamasine v Gregoire Jacq [438] | 4-6,3-6 | |
| Challenger de Drummondville | 03/14 14:00 | 26 | [286] Tristan Lamasine v Jurgen Zopp [157] | 4-6,4-6 | |
| Challenger de Drummondville | 03/12 18:10 | 25 | [286] Tristan Lamasine v Sumit Nagal [351] | 6-2,6-3 | |
| Challenger de Pau | 02/28 12:00 | 26 | [174] Sebastian Ofner v Tristan Lamasine [287] | 6-7,6-3,7-5 | |
| Challenger de Pau | 02/27 13:05 | 25 | [287] Tristan Lamasine v Stefano Napolitano [233] | 6-1,7-5 | |
| Challenger de Pau | 02/26 12:15 | 24 | [419] Evan Furness v Tristan Lamasine [287] | 2-6,5-7 | |
| Challenger de Bérgamo | 02/23 20:10 | 28 | Tristan Lamasine v Jannik Sinner | 2-6,3-6 | |
| Challenger de Bérgamo | 02/22 17:00 | 27 | [196] Stefano Napolitano v Tristan Lamasine [301] | 1-6,3-6 | |
| Challenger de Bérgamo | 02/21 11:40 | 26 | [301] Tristan Lamasine v Raul Brancaccio [407] | 6-3,6-4 | |
| Challenger de Bérgamo | 02/20 09:00 | 25 | [190] Filip Horansky v Tristan Lamasine [301] | 3-6,1-6 | |
| Challenger de Bérgamo | 02/18 16:35 | 24 | [301] Tristan Lamasine v Julian Ocleppo [189] | 6-3,6-4 | |
| Challenger de Cherbourg | 02/11 10:50 | 24 | [300] Tristan Lamasine v Carlos Taberner [309] | 6-7,6-2,4-6 |
Tristan Lamasine (5 de marzo de 1993) es un tenista profesional francés. En febrero de 2022 ocupa el puesto 293 del ranking ATP.[1]