Stadium: Court 9 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2023/09/08 09:30 | 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 |
| ITF M25 Wetzlar | 2023/08/05 12:30 | Orlando Luz v Sebastian Fanselow | 6-7,2-6 |
| ITF M25 Sintra | 2023/09/14 09:00 | Duarte Vale v Kalin Ivanovski | 7-6,6-4 |
| ITF M25 Sintra | 2023/09/13 09:00 | Trey Hilderbrand v Duarte Vale | 4-6,3-6 |
| ITF M25 Sintra | 2023/09/08 09:30 | Sebastian Fanselow v Duarte Vale | 6-4,6-1 |
| ITF M25 Sintra | 2023/09/07 12:50 | Pedro Araujo v Duarte Vale | 6-4,5-7,4-6 |
| ITF M25 Sintra | 2023/09/06 15:40 | Goncalo Falcao v Duarte Vale | 1-6,4-6 |
| ITF M25 Idanha-A-Nova | 2023/09/01 09:35 | Duarte Vale v Dan Added | 2-6,3-6 |
| ITF M25 Idanha-A-Nova | 2023/08/31 11:45 | Duarte Vale v Pierre Delage | 6-4,6-3 |
| ITF M25 Idanha-A-Nova | 2023/08/30 08:00 | Duarte Vale v Max Cunat | 6-2,6-4 |