Stadium: Court 9 Round: 26 Ground: Hardcourt outdoor
| Challenger Kyiv MD | 2021/09/10 08:00 | Luz/Nedovyesov v Gonzales/Johnson | 6-4,6-4 |
| Challenger Kyiv MD | 2021/09/09 13:00 | Gonzales/Johnson v Gakhov/Rybakov | 6-2,7-6 |
| Challenger Kyiv MD | 2021/09/08 14:45 | Gonzales/Johnson v Clarke/Kirkin | 7-6,6-4 |
| 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 |