Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Troyes | 2023/07/04 15:05 | Lucas Gerch v Elmar Ejupovic | 6-3,6-2 |
| Challenger Modena | 2023/06/27 19:40 | Lucas Gerch v Rodrigo Pacheco Mendez | 6-7,4-6 |
| Challenger Modena | 2023/06/26 08:00 | Timo Stodder v Lucas Gerch | 4-6,2-6 |
| Challenger Modena | 2023/06/25 08:00 | Gabriele Bosio v Lucas Gerch | 4-6,4-6 |
| Challenger Parma | 2023/06/18 14:00 | Lucas Gerch v Filippo Moroni | 6-1,1-6,4-6 |
| Challenger Heilbronn | 2023/06/06 12:55 | Maxime Janvier v Lucas Gerch | 6-4,6-3 |
| Challenger Heilbronn | 2023/06/05 11:00 | Lucas Gerch v Maxime Janvier | 6-2,6-2 |
| Challenger Heilbronn | 2023/06/04 15:15 | Lucas Gerch v Jose Pereira | 6-1,6-4 |
| Challenger Troyes | 2023/07/04 16:25 | Valentin Royer v Lorenzo Giustino | 4-6,4-6 |
| Challenger Modena | 2023/06/26 17:40 | Lorenzo Giustino v Nerman Fatic | 6-7,2-6 |
| Challenger Poznan | 2023/06/20 08:30 | Facundo Diaz Acosta v Lorenzo Giustino | 3-6,6-2,6-4 |
| Challenger Perugia | 2023/06/12 13:30 | Pol Martin Tiffon v Lorenzo Giustino | 6-3,6-3 |
| Challenger Prostejov | 2023/06/04 11:25 | Lorenzo Giustino v Pedro Sakamoto | 6-4,6-7,6-7 |
| Challenger Vicenza | 2023/05/29 10:50 | Lorenzo Giustino v Nerman Fatic | 2-6,2-6 |
| Challenger Vicenza | 2023/05/28 12:00 | Lorenzo Giustino v Daniel Dutra Da Silva | 6-4,4-6,6-1 |
| French Open | 2023/05/22 11:00 | Lorenzo Giustino v Frederico Ferreira Silva | 7-6,6-7,1-6 |