Stadium: Court 12 Round: 28 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2023/09/15 09:00 | Pedro Araujo v Martin Damm | 3-6,4-6 |
| ITF M25 Sintra | 2023/09/14 09:00 | Dali Blanch v Martin Damm | 6-2,1-6,5-7 |
| ITF M25 Sintra | 2023/09/13 09:00 | Leonardo Civita-Telles v Martin Damm | 3-6,2-6 |
| Challenger Istanbul | 2023/09/05 07:00 | Martin Damm v Lukas Klein | 4-6,6-4,5-7 |
| Challenger Istanbul | 2023/09/04 07:00 | Martin Damm v David Poljak | 6-3,6-4 |
| Challenger Istanbul | 2023/09/03 07:55 | Martin Damm v Niki Kaliyanda Poonacha | 7-5,7-6 |
| US Open | 2023/08/24 14:00 | Federico Coria v Martin Damm | 6-3,6-2 |
| US Open | 2023/08/22 15:00 | Federico Delbonis v Martin Damm | 4-6,6-4,5-7 |
| ITF M25 Sintra | 2023/09/15 09:00 | Sebastian Fanselow v Duarte Vale | 6-4,6-1 |
| ITF M25 Sintra | 2023/09/14 11:20 | Sebastian Fanselow v Tomas C Abasolo | 6-7,6-3,6-4 |
| ITF M25 Sintra | 2023/09/13 12:20 | Sebastian Fanselow v Kuzey Cekirge | 7-6,7-5 |
| ITF M25 Sintra | 2023/09/09 10:30 | Jaime Faria v Sebastian Fanselow | 6-3,3-6,6-3 |
| ITF M25 Sintra | 2023/09/08 09:30 | Sebastian Fanselow v Duarte Vale | 6-4,6-1 |
| ITF M25 Sintra | 2023/09/07 10:00 | Sebastian Fanselow v Michele Ribecai | 2-6,6-3,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/08 13:00 | Rostislav Galfinger v Sebastian Fanselow | 1-6,7-6,2-6 |
| ITF M25 Wetzlar | 2023/08/06 10:00 | Sebastian Fanselow v Tristan Lamasine | 3-6,1-6 |