Stadium: Court 13 Round: 26 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Wetzlar | 2023/08/05 12:30 | Orlando Luz v Sebastian Fanselow | 6-7,2-6 |
| ITF M25 Wetzlar | 2023/08/04 11:10 | Sebastian Fanselow v Milan Welte | 7-5,4-6,6-3 |
| ITF M25 Sintra | 2023/09/13 12:45 | Rodrigo Fernandes v Tomas C Abasolo | 3-6,2-6 |
| ITF M25 Oviedo | 2023/08/31 09:30 | Carlos Lopez Montagud v Tomas C Abasolo | 6-1,7-5 |
| ITF M25 Oviedo | 2023/08/30 17:30 | Tomas C Abasolo v Kane Bonsach Ganley | 6-2,3-6,6-2 |
| ITF M25 Santander | 2023/08/22 09:55 | Alvaro Lopez San Martin v Tomas C Abasolo | 6-1,4-6,6-3 |
| ITF M25 Getxo | 2023/07/03 09:35 | Tomas C Abasolo v Kirill Mishkin | 6-3,2-6,10-12 |
| ITF M25 Bakio | 2023/06/27 09:20 | Tomas C Abasolo v Stefanos Sakellaridis | 6-7,4-6 |
| ITF M25 Bakio | 2023/06/26 09:20 | Tomas C Abasolo v Ivan Perez Martin | 6-0,4-6,10-6 |
| ITF M25 Bakio | 2023/06/25 14:45 | Tomas C Abasolo v Ramon Del Olmo Diaz | 6-1,6-1 |