stadio: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Castelo Branco | 2021/07/27 12:10 | Naoki Tajima v Martin Breysach | 6-3,2-6,2-6 |
| ITF M25 Idanha-A-Nova | 2021/07/11 10:30 | Osgar O'Hoisin v Martin Breysach | 6-4,6-4 |
| ITF M15 Almada | 2021/07/07 08:30 | Martin Breysach v Harry Wendelken | 3-6,3-6 |
| ITF M15 Heraklion | 2021/06/09 13:00 | Yaron Guberman v Martin Breysach | 3-6,1-6 |
| ITF M15 Heraklion | 2021/06/03 09:30 | Nicolas Alvarez Varona v Martin Breysach | 6-3,6-3 |
| ITF M15 Heraklion | 2021/06/01 08:00 | Aristotelis Thanos v Martin Breysach | 3-6,3-6 |
| ITF M15 Heraklion | 2021/05/26 11:55 | Yshai Oliel v Martin Breysach | 6-2,6-0 |
| ITF M15 Sibenik | 2021/05/19 17:05 | Martin Breysach v Jose Fco. Vidal Azorin | 6-4,3-6,2-6 |
| ITF M15 Castelo Branco | 2021/07/27 14:05 | Miguel Damas v Duarte Vale | 6-7,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/20 11:15 | Simon Carr v Duarte Vale | 6-4,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/14 08:00 | Alejandro Moro Canas v Duarte Vale | 6-4,6-3 |
| ITF M15 Almada | 2021/07/10 10:20 | Daniel Cox v Duarte Vale | 6-2,6-2 |
| ITF M15 Almada | 2021/07/09 10:25 | Ugo Blanchet v Duarte Vale | 2-6,5-7 |
| ITF M15 Almada | 2021/07/08 10:55 | Duarte Vale v Ben Patael | 6-2,6-4 |
| ITF M15 Almada | 2021/07/07 08:30 | Michiel de Krom v Duarte Vale | 3-6,3-6 |
| Challenger Porto | 2021/06/27 12:20 | Yosuke Watanuki v Duarte Vale | 6-2,6-4 |