Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Castelo Branco | 2023/07/19 08:30 | Goncalo Oliveira v Pedro Araujo | 6-4,6-4 |
| ITF M15 Sofia | 2023/07/09 06:50 | Goncalo Oliveira v Marvin Moeller | 6-3,6-1 |
| ITF M15 Sofia | 2023/07/08 09:35 | Goncalo Oliveira v Denis Klok | 6-3,6-4 |
| ITF M15 Sofia | 2023/07/07 10:00 | Goncalo Oliveira v Peter Benjamin Privara | 6-3,6-4 |
| ITF M15 Sofia | 2023/07/06 11:35 | Goncalo Oliveira v Zoran Ludoski | 6-1,6-2 |
| ITF M15 Sofia | 2023/07/05 08:15 | Goncalo Oliveira v Julien Evrard | 6-3,6-4 |
| ITF M15 Wroclaw | 2023/07/02 10:55 | Goncalo Oliveira v Jiri Barnat | 6-2,6-4 |
| ITF M15 Wroclaw | 2023/07/01 09:00 | Goncalo Oliveira v Kirill Kivattsev | 7-5,7-5 |
| ITF M25 Castelo Branco | 2023/07/19 10:00 | Fabio Coelho v Tiago Pereira | 3-6,2-6 |
| ITF M25 Roda de Bara | 2023/07/11 08:30 | Arthur Bonnaud v Tiago Pereira | 6-2,6-2 |
| ITF M25 Roda de Bara | 2023/07/10 10:15 | Oscar P Sansano v Tiago Pereira | 5-7,6-7 |
| ITF M15 Monastir | 2023/07/03 08:30 | Tiago Pereira v Tomas Luis | 6-3,4-6,6-10 |
| ITF M15 Monastir | 2023/07/02 12:00 | Tiago Pereira v Yuvraj Rao | 6-0,6-1 |
| ITF M15 Monastir | 2023/06/14 08:30 | Tiago Pereira v Wissam Abderrahman | 4-6,6-4,3-6 |
| ITF M15 Monastir | 2023/06/09 10:20 | Robin Bertrand v Tiago Pereira | 3-6,6-4,6-3 |
| ITF M15 Monastir | 2023/06/06 08:30 | Tiago Pereira v Aleksandr Lobanov | 7-5,6-3 |