Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Majadahonda | 2021/05/04 09:40 | Matteo Martineau v Pedro Boscardin Dias | 6-1,6-0 |
| ITF M15 Monastir | 2021/04/28 10:45 | Fabio Coelho v Pedro Boscardin Dias | 6-1,6-3 |
| ITF M15 Monastir | 2021/04/21 08:30 | Simon Yitbarek v Pedro Boscardin Dias | 6-4,6-3 |
| ITF M15 Monastir | 2021/04/14 08:30 | Pedro Boscardin Dias v Franco Agamenone | 0-6,1-6 |
| ITF M15 Monastir | 2021/04/08 10:10 | Antoine Escoffier v Pedro Boscardin Dias | 6-1,6-2 |
| ITF M15 Monastir | 2021/04/06 09:00 | Pedro Boscardin Dias v Natan Rodrigues | 6-7,7-6,6-1 |
| ITF M15 Monastir | 2021/03/31 10:20 | Alberto Barroso Campos v Pedro Boscardin Dias | 6-3,6-2 |
| Challenger Sao Paulo | 2020/11/21 16:00 | Pedro Boscardin Dias v Alejandro Gonzalez | 3-6,4-6 |
| ITF M15 Majadahonda | 2021/05/02 12:00 | Tiago Cacao v Max Houkes | 7-6,3-6,11-13 |
| ITF M15 Antalya | 2021/04/22 07:00 | Tiago Cacao v Oleksandr Ovcharenko | 7-6,1-6,0-6 |
| ITF M15 Antalya | 2021/04/20 07:00 | Tiago Cacao v Oleksii Krutykh | 6-1,4-6,6-1 |
| ITF M15 Antalya | 2021/04/14 08:40 | Andrea Basso v Tiago Cacao | 6-1,6-0 |
| Challenger Oeiras | 2021/04/09 14:55 | Goncalo Oliveira v Tiago Cacao | 7-5,6-2 |
| Challenger Oeiras | 2021/04/08 13:00 | Mischa Zverev v Tiago Cacao | 3-6,6-1,6-7 |
| Challenger Oeiras | 2021/04/06 10:35 | Tiago Cacao v Tristan Lamasine | 6-2,6-4 |
| Challenger Oeiras | 2021/04/02 12:00 | Tiago Cacao v Zdenek Kolar | 3-6,2-6 |