Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| Challenger Pozoblanco MD | 2021/07/24 18:00 | Sijsling/Van Rijthoven v Hidalgo/Gornes | 5-7,7-6,10-5 |
| Challenger Pozoblanco MD | 2021/07/23 18:00 | Dougaz/Mansouri v Hidalgo/Gornes | 6-7,7-5,7-10 |
| Challenger Pozoblanco MD | 2021/07/22 19:30 | Geerts/Janvier v Hidalgo/Gornes | 7-6,5-7,8-10 |
| Challenger Pozoblanco MD | 2021/07/20 20:20 | Gonzalez/Matarredona Valor v Hidalgo/Gornes | 3-6,1-6 |
| Challenger Amersfoort MD | 2021/07/14 13:45 | Hidalgo/Gornes v Brouwer/Sels | 3-6,4-6 |
| Challenger Braunschweig MD | 2021/07/08 10:00 | Hidalgo/Gornes v Sijsling/Smits | 6-4,3-6,8-10 |
| Challenger Braunschweig MD | 2021/07/07 09:30 | Kolar/Olivetti v Hidalgo/Gornes | 7-5,6-7,8-10 |