Stadium: Court 5 Round: 25 Ground: Clay
| ATP Eastbourne | 2023/06/24 14:45 | Marc-Andrea Huesler v Marek Gengel | 6-2,6-2 |
| Challenger Little Rock | 2023/05/30 15:00 | Marek Gengel v Nicolas Moreno De Alboran | 6-2,3-6,4-6 |
| ATP Genewa | 2023/05/20 10:15 | Nino Serdarusic v Marek Gengel | 6-1,6-4 |
| Challenger Praga - Kwalifikacje | 2023/05/07 14:20 | Marek Gengel v Akira Santillan | 2-6,0-6 |
| Challenger Praga | 2023/04/30 11:25 | Joao Domingues v Marek Gengel | 4-6,6-1,6-2 |
| Challenger Rzym | 2023/04/25 10:05 | Jesper De Jong v Marek Gengel | 6-3,6-2 |
| ATP Barcelona | 2023/04/15 15:40 | Marek Gengel v Jozef Kovalik | 3-6,2-6 |
| ITF - Sharm El Sheikh M25 | 2023/04/13 09:25 | Marek Gengel v Kris Van Wyk | 6-1,5-7,2-6 |
| ITF - Muttenz M25 | 2023/08/15 14:15 | Maxime Mora v Maxime Chazal | 6-7,6-1,7-6 |
| Challenger Cordenons | 2023/08/09 09:00 | Matteo Martineau v Maxime Chazal | 6-1,6-3 |
| Challenger Cordenons | 2023/08/07 15:05 | Maxime Chazal v Chun Hsin Tseng | 2-6,6-3,6-4 |
| Challenger Luedenscheid | 2023/07/30 10:30 | Maxime Chazal v Georgii Kravchenko | 2-6,2-6 |
| ITF - Telfs M25 | 2023/07/20 08:00 | Buvaysar Gadamauri v Maxime Chazal | 6-4,6-1 |
| ITF - Telfs M25 | 2023/07/18 15:55 | Jonas Trinker v Maxime Chazal | 3-6,3-6 |
| Challenger Salzburg | 2023/07/11 11:40 | Juan Manuel Cerundolo v Maxime Chazal | 6-3,6-4 |
| Challenger Salzburg | 2023/07/10 10:55 | Maxime Chazal v Max Hans Rehberg | 7-6,3-6,6-3 |