Stadium: Court 7 Round: 14 Ground: Hardcourt outdoor
| Czech Republic Extraliga | 2023/12/16 12:05 | Lukas Klein v Dominik Kellovsky | 7-6,6-1 |
| Challenger Ismaning | 2023/11/04 13:15 | Lukas Klein v Maximilian Marterer | 4-6,4-6 |
| Challenger Ismaning | 2023/11/03 16:25 | Lukas Klein v Max Hans Rehberg | 6-3,6-2 |
| Challenger Ismaning | 2023/11/02 14:15 | Lukas Klein v Nerman Fatic | 6-7,6-4,6-4 |
| Challenger Ismaning | 2023/11/01 12:40 | Damir Dzumhur v Lukas Klein | 3-6,6-3,1-6 |
| Challenger Ortisei | 2023/10/29 10:00 | Lukas Klein v Maks Kasnikowski | 6-7,7-6,7-6 |
| Challenger Ortisei | 2023/10/28 11:00 | Lukas Klein v Billy Harris | 6-3,7-6 |
| Challenger Ortisei | 2023/10/27 12:55 | Enrico Dalla Valle v Lukas Klein | 3-6,2-6 |
| Challenger Maia | 2023/12/03 11:00 | Nuno Borges v Benoit Paire | 6-1,6-4 |
| Challenger Maia | 2023/12/02 11:00 | Benoit Paire v Maxime Janvier | 6-2,7-5 |
| Challenger Maia | 2023/12/01 10:30 | Elias Ymer v Benoit Paire | 6-3,3-6,3-6 |
| Challenger Maia | 2023/11/29 13:00 | Jaime Faria v Benoit Paire | 7-6,3-6,3-6 |
| Challenger Maia | 2023/11/27 17:35 | Duarte Vale v Benoit Paire | 2-6,4-6 |
| Challenger Drummondville | 2023/11/15 21:30 | Joao Sousa v Benoit Paire | 6-1,7-6 |
| Challenger Drummondville | 2023/11/14 01:40 | Juan Carlos Aguilar v Benoit Paire | 3-6,4-6 |
| Challenger Calgary | 2023/11/08 02:15 | Maks Kasnikowski v Benoit Paire | 6-3,6-7,6-3 |