Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2023/09/12 09:00 | Alejandro T Alvarez v Marcus Walters | 3-6,2-6 |
| ITF M25 Sintra | 2023/09/11 13:00 | Alejandro T Alvarez v Peter Sychev | 6-1,6-1 |
| ITF M25 Oviedo | 2023/08/28 17:45 | Sergio Callejon Hernando v Alejandro T Alvarez | 6-2,6-3 |
| ITF M25 Oviedo | 2023/08/28 08:45 | Amaan Siddiqui v Alejandro T Alvarez | 6-7,2-6 |
| ITF M25 Santander | 2023/08/22 07:55 | Alejandro T Alvarez v Imanol L Morillo | 4-6,2-6 |
| ITF M25 Santander | 2023/08/21 11:55 | Amaan Siddiqui v Alejandro T Alvarez | 5-7,2-6 |
| ITF M25 Santander | 2023/08/20 16:30 | Rafael Mazon-Hernandez v Alejandro T Alvarez | 3-6,3-6 |
| ITF M15 Xativa | 2023/08/03 16:30 | Ryan Nijboer v Alejandro T Alvarez | 6-1,6-3 |
| ITF M25 Sintra | 2023/09/11 13:00 | Leonardo Civita-Telles v Joao Antonio | 6-1,6-3 |
| ITF M25 Sintra | 2023/09/11 09:00 | Joao Antonio v Ian Luca Cervantes Tomas | 6-2,6-1 |
| ITF M25 Sintra | 2023/09/06 13:45 | Kuzey Cekirge v Joao Antonio | 6-2,7-6 |
| ITF M25 Sintra | 2023/09/06 08:30 | Philip Hjorth v Joao Antonio | 7-5,3-6,7-10 |
| ITF M25 Sintra | 2023/09/03 08:00 | Joao Antonio v Davide Ferrarolli | 6-3,6-1 |
| ITF M15 Trier | 2023/08/22 11:00 | Valerio Perruzza v Joao Antonio | 6-4,6-0 |
| ITF M25 Porto | 2023/07/23 15:00 | Joao Antonio v Nuno Pinheiro | 4-6,4-6 |
| ITF M25 Faro | 2021/02/28 12:00 | Joao Antonio v Hugo Voljacques | 0-6,1-6 |