Stadium: Court 12 Round: 26 Ground: Clay
| Challenger Mallorca MD | 2021/09/02 19:00 | Gonzales/Johnson v Romboli/Zielinski | 6-3,1-6,11-13 |
| Challenger Mallorca MD | 2021/08/31 12:25 | Tan/Trouve v Gonzales/Johnson | 4-6,1-6 |
| Challenger Meerbusch MD | 2021/08/12 14:00 | Brown/Haase v Gonzales/Johnson | 6-0,6-4 |
| Challenger Meerbusch MD | 2021/08/10 15:30 | Gonzales/Johnson v Schmitz/Tsitsipas | 7-6,6-1 |
| Challenger Liberec MD | 2021/08/05 16:20 | Gonzales/Johnson v Jebavy/Zelenay | 6-4,4-6,3-10 |
| Challenger Poznan MD | 2021/07/30 16:55 | Drzewiecki/Vukic v Gonzales/Johnson | 6-4,6-4 |
| Challenger Poznan MD | 2021/07/29 16:25 | Gonzales/Johnson v Walkow/Zielinski | 2-6,7-6,13-11 |
| Challenger Poznan MD | 2021/07/28 12:55 | Kasnikowski/Michalski v Gonzales/Johnson | 3-6,4-6 |
| Challenger Nur-Sultan MD | 2021/07/14 12:50 | Clarke/Kirkin v Hsu/Lock | 2-6,2-6 |