Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| Challenger Porto | 2021/06/27 13:00 | Ulises Blanch v Goncalo Falcao | 6-1,6-2 |
| ITF M15 Valldoreix | 2021/05/09 12:00 | Goncalo Falcao v Kuzey Cekirge | 3-6,1-6 |
| ITF M15 Majadahonda | 2021/05/03 12:00 | Goncalo Falcao v Carlos Lopez Montagud | 0-6,3-6 |
| ITF M15 Majadahonda | 2021/05/02 13:15 | Javier Molino v Goncalo Falcao | 2-6,2-6 |
| ITF M25 Vale Do Lobo | 2021/03/11 12:15 | Goncalo Falcao v Francisco Cabral | 1-6,4-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:30 | Peter Goldsteiner v Goncalo Falcao | 2-6,3-6 |
| ITF M25 Vale Do Lobo | 2021/03/09 11:30 | Axel Garcian v Goncalo Falcao | 6-1,6-3 |
| ITF M25 Vale Do Lobo | 2021/03/08 11:00 | Jesus Echevarri v Goncalo Falcao | 3-6,6-7 |
| ITF M15 Monastir | 2021/06/14 12:00 | Ajeet Rai v Guilherme Sousa Severin | 6-0,6-2 |
| ITF M15 Monastir | 2021/06/14 08:00 | Guilherme Sousa Severin v Kazuma Kawachi | 6-4,4-6,10-4 |
| ITF M15 Monastir | 2021/06/13 11:30 | Seth Seely v Guilherme Sousa Severin | 1-6,1-6 |
| ITF M15 Monastir | 2021/06/08 11:00 | Guilherme Sousa Severin v Thomas Fancutt | 6-2,4-6,4-6 |
| ITF M15 Quinta Do Lago | 2020/11/02 10:00 | Guilherme Sousa Severin v Terence Das | 1-6,0-6 |
| ITF M25 Vale Do Lobo | 2020/10/25 14:00 | Joao Lucas Reis da Silva v Guilherme Sousa Severin | 6-4,5-7,10-8 |
| ITF M15 Loule | 2020/03/08 10:00 | Guilherme Sousa Severin v Marvin Moeller | 0-6,0-6 |
| ITF M15 Faro | 2020/03/01 11:30 | Andre Rodeia v Guilherme Sousa Severin | 6-3,6-0 |