Stadium: Estadio CIF Round: 19 Ground: Clay
| Challenger Lisbon | 2023/10/01 14:05 | Alexander Weis v Joao Domingues | 5-7,7-6,7-6 |
| Challenger Braga | 2023/09/24 10:15 | Javier Barranco Cosano v Alexander Weis | 6-4,6-2 |
| Challenger Sibiu | 2023/09/20 07:00 | Ivan Gakhov v Alexander Weis | 7-6,6-7,7-6 |
| Challenger Sibiu | 2023/09/19 07:00 | Alexander Weis v Michael Vrbensky | 6-4,4-6,6-2 |
| Challenger Como | 2023/08/29 09:00 | Samuel Vincent Ruggeri v Alexander Weis | 6-2,7-6 |
| Challenger Como | 2023/08/28 10:05 | Lorenzo Rottoli v Alexander Weis | 4-6,2-6 |
| Challenger Augsburg | 2023/08/22 12:20 | Alexander Weis v Matteo Martineau | 2-6,7-5,4-6 |
| ITF M25 Muttenz | 2023/08/20 08:45 | Alexander Weis v Matteo Martineau | 1-6,7-6,3-6 |
| Challenger Lisbon | 2023/10/01 12:25 | Duarte Vale v Henrique Rocha | 3-6,2-6 |
| Challenger Braga | 2023/09/26 09:00 | Henrique Rocha v Titouan Droguet | 3-6,1-6 |
| ITF M25 Setubal | 2023/09/22 11:50 | Aidan Mchugh v Henrique Rocha | 6-1,6-4 |
| ITF M25 Setubal | 2023/09/21 12:30 | Pedro Araujo v Henrique Rocha | 4-6,4-6 |
| ITF M25 Setubal | 2023/09/20 10:05 | Noah Schachter v Henrique Rocha | 4-6,4-6 |
| ITF M25 Sintra | 2023/09/17 10:00 | Henrique Rocha v Sebastian Fanselow | 6-2,6-3 |
| ITF M25 Sintra | 2023/09/15 09:00 | Henrique Rocha v Jaime Faria | 6-3,1-6,6-3 |
| ITF M25 Sintra | 2023/09/14 09:00 | Henrique Rocha v Martim Simoes | 6-4,6-0 |