Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| ITF M25 Castelo Branco | 2023/07/21 08:30 | Goncalo Oliveira v Julio Cesar Porras | 7-6,7-5 |
| ITF M25 Castelo Branco | 2023/07/20 08:30 | Goncalo Oliveira v Tiago Pereira | 6-2,7-6 |
| 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 M25 Castelo Branco | 2023/07/21 11:20 | Guillaume Dalmasso v Victor Lilov | 7-6,6-3 |
| ITF M25 Castelo Branco | 2023/07/19 17:00 | Ethan Cook v Guillaume Dalmasso | 3-6,2-6 |
| ITF M25 Castelo Branco | 2023/07/17 12:00 | Mateusz Kulakowski v Guillaume Dalmasso | 2-6,3-6 |
| ITF M25 Castelo Branco | 2023/07/16 13:00 | Guilherme Valdoleiros v Guillaume Dalmasso | 4-6,2-6 |
| ITF M25 Ajaccio | 2023/07/05 07:00 | Guillaume Dalmasso v Lucas Poullain | 4-6,5-7 |
| ITF M25 Ajaccio | 2023/07/03 16:25 | Adan Freire Da Silva v Guillaume Dalmasso | 6-2,6-1 |
| ITF M25 Ajaccio | 2023/07/02 19:35 | Enzo Frequelin v Guillaume Dalmasso | 4-6,2-6 |
| ITF M15 Irvine | 2023/06/26 17:00 | Quinn Vandecasteele v Guillaume Dalmasso | 1-6,6-3,10-6 |