Estadio: Central Court Round: 25 Ground: Clay
| Challenger de Oeiras | 2021/04/02 12:00 | Tiago Cacao v Zdenek Kolar | 3-6,2-6 |
| Challenger de Oeiras | 2021/04/01 12:00 | Mats Moraing v Tiago Cacao | 6-4,2-6,5-7 |
| Challenger de Oeiras | 2021/03/30 12:35 | Duckhee Lee v Tiago Cacao | 3-6,4-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:25 | Tiago Cacao v Christopher Heyman | 3-6,2-6 |
| ITF M25 Faro | 2021/03/03 13:40 | Kuzey Cekirge v Tiago Cacao | 6-4,5-7,6-2 |
| ITF M25 Vale Do Lobo | 2021/02/24 12:00 | Lucas Poullain v Tiago Cacao | 6-2,6-2 |
| Challenger de Maia | 2020/11/28 14:30 | Tiago Cacao v Altug Celikbilek | 4-6,3-6 |
| ITF M15 Benicarlo | 2020/11/26 14:40 | Tiago Cacao v Kenny de Schepper | 1-6,3-6 |
| Challenger de Lille | 2021/03/25 13:25 | Tristan Lamasine v Benjamin Bonzi | 4-6,3-6 |
| Challenger de Lille | 2021/03/23 13:00 | Tristan Lamasine v Jurgen Briand | 4-6,6-3,6-4 |
| Challenger de Biella - Clasificación | 2021/03/14 11:05 | Tristan Lamasine v Luca Vanni | 4-6,4-6 |
| Challenger de Biella | 2021/03/11 13:50 | Tristan Lamasine v Andreas Seppi | 6-1,1-6,6-7 |
| Challenger de Biella | 2021/03/09 09:00 | Hugo Grenier v Tristan Lamasine | 4-6,2-6 |
| Challenger de Potchefstroom | 2021/02/17 10:30 | Dimitar Kuzmanov v Tristan Lamasine | 7-5,7-6 |
| Challenger de Potchefstroom | 2021/02/15 12:25 | Roberto Quiroz v Tristan Lamasine | 5-7,5-7 |
| Challenger de Potchefstroom | 2021/02/10 08:00 | Peter Polansky v Tristan Lamasine | 6-4,6-4 |