Stadium: Center Court Round: 29 Ground: Hardcourt outdoor
| Challenger Pozoblanco MD | 2021/07/22 19:45 | Andreev/Jianu v Sijsling/Van Rijthoven | 4-6,2-6 |
| Challenger Pozoblanco MD | 2021/07/23 18:00 | Dougaz A / Mansouri S 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 G / Sels J | 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 |