Stadium: B and B Court Round: 14 Ground: Clay
| ITF M25 Cancun | 2022/02/17 19:45 | Constantin Bittoun Kouzmine v Lucas Gerch | 5-7,6-3,6-7 |
| ITF M25 Angers | 2023/04/20 12:05 | Constantin Bittoun Kouzmine v Lilian Marmousez | 6-3,1-6,4-6 |
| ITF M25 Angers | 2023/04/19 11:50 | Constantin Bittoun Kouzmine v Loann Massard | 6-1,6-3 |
| ITF M15 Monastir | 2023/04/06 08:30 | Daniil Ostapenkov v Constantin Bittoun Kouzmine | 7-6,4-6,6-3 |
| ITF M15 Monastir | 2023/04/05 08:30 | Alexis Boureau v Constantin Bittoun Kouzmine | 2-6,2-6 |
| ITF M15 Monastir | 2023/03/29 10:55 | Constantin Bittoun Kouzmine v Ray Ho | 3-6,5-7 |
| Challenger St Brieuc | 2023/03/21 13:50 | Constantin Bittoun Kouzmine v Alibek Kachmazov | 5-7,6-1,4-6 |
| Challenger St Brieuc | 2023/03/20 11:25 | Constantin Bittoun Kouzmine v Albano Olivetti | 6-7,6-4,7-6 |
| Challenger St Brieuc | 2023/03/19 10:55 | Constantin Bittoun Kouzmine v Davide Pozzi | 6-0,6-3 |
| ITF M15 Krsko | 2023/05/21 09:00 | Lucas Gerch v Mirza Basic | 6-4,6-1 |
| ITF M15 Krsko | 2023/05/20 09:50 | Lucas Gerch v Lukas Pokorny | 7-6,5-7,7-5 |
| ITF M15 Krsko | 2023/05/19 11:30 | Lucas Gerch v Oliver Ojakaar | 1-6,6-3,6-4 |
| ITF M15 Krsko | 2023/05/19 08:00 | Lucas Gerch v Gabriele Maria Noce | 6-2,6-3 |
| ITF M15 Krsko | 2023/05/18 08:00 | Lucas Gerch v Alvaro G Meza | 6-3,7-6 |
| Challenger Mauthausen | 2023/05/09 08:00 | Lucas Gerch v Hamad Medjedovic | 1-6,3-6 |
| Challenger Mauthausen | 2023/05/07 08:00 | Tristan-Samuel Weissborn v Lucas Gerch | 6-7,2-6 |
| ITF M15 Meerbusch | 2023/04/25 11:00 | Philip Florig v Lucas Gerch | 7-6,6-4 |