Stadium: Court Belem Round: 14 Ground: Clay
| Challenger Braga | 2023/09/25 09:00 | Carlos Sanchez Jover v Sebastian Fanselow | 4-6,6-4,6-1 |
| Challenger Braga | 2023/09/24 09:00 | Sebastian Fanselow v Carlos Taberner | 6-3,1-6,7-5 |
| ITF M25 Setubal | 2023/09/22 13:30 | Dali Blanch v Sebastian Fanselow | 2-6,7-5,6-4 |
| ITF M25 Setubal | 2023/09/21 14:30 | Alejandro T Alvarez v Sebastian Fanselow | 5-7,3-6 |
| ITF M25 Setubal | 2023/09/20 12:10 | Patrick Schoen v Sebastian Fanselow | 0-6,3-6 |
| ITF M25 Sintra | 2023/09/17 10:00 | Henrique Rocha v Sebastian Fanselow | 6-2,6-3 |
| ITF M25 Sintra | 2023/09/16 11:30 | Martin Damm v Sebastian Fanselow | 6-7,6-4,4-6 |
| ITF M25 Sintra | 2023/09/15 09:00 | Sebastian Fanselow v Duarte Vale | 6-4,6-1 |
| ITF M25 Santa Margherita | 2023/09/27 08:30 | Francesco Forti v Fabrizio Andaloro | 2-6,2-6 |
| ITF M25 Santa Margherita | 2023/09/26 10:10 | Francesco Forti v Kirill Mishkin | 6-1,6-0 |
| ITF M25 Pozzuoli | 2023/09/17 08:30 | Arthur Fery v Francesco Forti | 4-6,3-6 |
| ITF M25 Pozzuoli | 2023/09/16 10:30 | Francesco Forti v Giovanni Oradini | 6-3,6-2 |
| ITF M25 Pozzuoli | 2023/09/15 10:05 | Niccolo Catini v Francesco Forti | 3-6,3-6 |
| ITF M25 Pozzuoli | 2023/09/14 11:00 | Gabriele Vulpitta v Francesco Forti | 3-6,0-6 |
| ITF M25 Pozzuoli | 2023/09/13 08:30 | Marco De Rossi v Francesco Forti | 7-6,6-7,5-7 |
| Challenger Genoa | 2023/09/04 08:00 | Francesco Forti v Hady Habib | 2-6,4-6 |