Stadion: Cancha 5 Round: 26 Ground: Clay
| Challenger - Ambato - Herrendoppel | 2021/09/24 19:45 | Hidalgo/Rodriguez v Lenz/Melzer | 7-6,6-4 |
| Challenger - Ambato - Herrendoppel | 2021/09/23 20:05 | Lenz/Melzer v Gomez-Herrera/Olivo | 7-6,4-6,13-11 |
| Challenger - Ambato - Herrendoppel | 2021/09/22 20:20 | Lenz/Melzer v March/M Tiffon | 6-3,6-3 |
| Challenger - Meerbusch - Herrendoppel | 2021/08/11 13:00 | Ficovich/Kicker v Walkow/Zielinski | 3-6,2-6 |