Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Setubal | 2021/10/04 13:30 | Tim Heger v Tomas C Abasolo | 6-4,6-3 |
| ITF M25 Überlingen | 2021/08/18 08:00 | Tim Heger v Oriol Roca Batalla | 0-6,6-2,3-6 |
| ITF M25 Überlingen | 2021/08/17 07:55 | Tim Heger v Tudor S Gheorghita | 6-1,6-3 |
| ITF M15 Esch-sur-Alzette | 2021/07/20 09:00 | Wilson Leite v Tim Heger | 6-4,6-3 |
| ITF M15 Esch-sur-Alzette | 2021/07/19 09:00 | Tim Heger v Andreja Petrovic | 2-6,4-6 |
| ITF M15 Esch-sur-Alzette | 2021/07/18 09:50 | Tim Heger v Moritz Poswiat | 7-6,4-6,11-9 |
| ITF M25 Telfs | 2021/07/13 09:10 | Tim Heger v Francisco Vittar | 5-7,6-3,7-10 |
| ITF M25 Telfs | 2021/07/12 09:40 | Tim Heger v Roman Postolka | 7-5,6-3 |
| ITF M25 Setubal | 2021/10/04 12:30 | Diogo Morais v Keanu Elias Immler | 6-1,6-3 |
| ITF M25 Setubal | 2021/10/03 14:00 | Diogo Morais v Pedro D L R Bueno | 6-3,7-6 |
| Challenger Lisabon | 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 |