Stadium: Center Court Round: 26 Ground: Clay
| Challenger Heilbronn MD | 2021/05/13 10:00 | Matos/M R Alves v Goransson/Verbeek | 4-6,6-7 |
| Challenger Heilbronn MD | 2021/05/12 13:30 | Matos/M R Alves v Sabanov/Sabanov | 6-3,6-0 |
| Challenger Biella MD | 2021/05/08 10:00 | Goransson/Lammons v Matos/M R Alves | 7-6,6-3 |
| Challenger Biella MD | 2021/05/07 10:00 | Gornes/Sitak v Matos/M R Alves | 2-6,2-6 |
| Challenger Biella MD | 2021/05/06 16:00 | Domingues/Sousa v Matos/M R Alves | 5-7,3-6 |
| Challenger Biella MD | 2021/05/05 15:30 | Gabashvili/Vanni v Matos/M R Alves | 4-6,1-6 |
| Challenger Rome MD | 2021/04/29 12:15 | Doumbia/Reboul v Matos/M R Alves | 7-6,5-7,10-6 |
| Challenger Rome MD | 2021/04/28 13:05 | Diez/Martos Gornes v Matos/M R Alves | 6-4,3-6,6-10 |