Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Oeiras MD | 2021/05/18 16:20 | Qureshi/Reid v Coria/Gomez | 2-6,6-2,13-15 |
| Challenger Zagreb MD | 2021/05/11 16:00 | Ajdukovic/Nincevic v Coria/Gomez | 6-3,7-6 |
| Challenger Oeiras MD | 2021/05/18 16:35 | Johnson/Schnur v Matos/Sousa | 2-6,7-5,10-7 |