Stadium: Court 3 Round: 27 Ground: Hardcourt indoor
| Challenger Oeiras MD | 2021/03/30 17:30 | Miedler/Serdarusic v Gomes/Rocha | 6-3,6-1 |
| Challenger Oeiras MD | 2021/03/31 10:00 | Kotov/Vatutin v Galdos/Martos Gornes | 6-4,6-4 |
| Challenger Maia MD | 2020/12/03 15:35 | Kolar/Vavassori v Kotov/Vatutin | 6-2,6-2 |
| Challenger Ortisei MD | 2020/11/18 15:50 | Geerts/Lenz v Kotov/Vatutin | 4-6,7-6,10-3 |