Stadium: Cancha 1 Round: 29 Ground: Clay
| Challenger Santiago - MP | 2021/10/08 20:50 | Matos/M R Alves v Hidalgo/Jarry | 6-2,2-6,8-10 |
| Challenger Santiago - MP | 2021/10/07 23:50 | Hidalgo/Jarry v Barrientos/Romboli | 7-6,7-6 |
| Challenger Santiago - MP | 2021/10/06 18:45 | Verdugo/Reyes-Varela v Hidalgo/Jarry | 6-7,4-6 |
| Challenger Santiago - MP | 2021/10/08 16:00 | King/Schnur v Martinez/Oliveira | 7-6,6-1 |
| Challenger Santiago - MP | 2021/10/07 17:30 | Galdos/Mena v King/Schnur | 4-6,6-3,8-10 |
| Challenger Santiago - MP | 2021/10/06 18:30 | Cerundolo/Ugo Carabelli v King/Schnur | 0-6,3-6 |
| Challenger Verona - MP | 2021/08/20 14:20 | Doumbia/Reboul v King/Schnur | 6-3,7-6 |
| Challenger Verona - MP | 2021/08/19 12:30 | Luz/P De Almeida v King/Schnur | 4-6,3-6 |
| Challenger Verona - MP | 2021/08/18 09:00 | King/Schnur v Martinez/Vavassori | 3-6,6-3,11-9 |
| Challenger San Marino - MP | 2021/08/13 18:10 | King/Schnur v Matos/Menezes | 5-7,1-6 |
| Challenger San Marino - MP | 2021/08/12 14:30 | Gutierrez/S Izquierdo v King/Schnur | 6-7,7-6,9-11 |