Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| Challenger Lisbon | 2021/09/26 10:20 | Santiago Rodriguez Taverna v Diogo Morais | 6-0,6-2 |
| ITF M15 Almada | 2021/07/04 13:00 | Diogo Morais v Daniel Batista | 3-6,4-6 |
| ITF M25 Vale Do Lobo | 2021/03/07 12:00 | Peter Goldsteiner v Diogo Morais | 6-3,6-1 |
| ITF M25 Vale Do Lobo | 2021/02/22 10:30 | Diogo Morais v Edoardo Graziani | 1-6,1-6 |
| ITF M25 Sintra | 2021/09/13 13:20 | Goncalo Falcao v Pedro D L R Bueno | 6-4,6-3 |
| ITF M25 Sintra | 2021/09/12 12:00 | Constantinos Papavasiliou v Pedro D L R Bueno | 1-6,2-6 |