Stadium: Court Lisboa Round: 28 Ground: Clay
| Challenger Lisboa - Herredouble | 2021/09/30 09:30 | Nedunchezhiyan/Raja v Forti/Zeppieri | 6-3,6-4 |
| Challenger Lisboa - Herredouble | 2021/09/29 12:00 | Nedunchezhiyan/Raja v Cacao/Falcao | 6-3,6-2 |
| Challenger Rennes - Herredouble | 2021/09/17 09:00 | Nedunchezhiyan/Raja v Stevens/Van Rijthoven | 6-4,6-7,8-10 |
| Challenger Rennes - Herredouble | 2021/09/16 12:00 | Gabashvili/Janvier v Nedunchezhiyan/Raja | 6-3,1-6,5-10 |
| Challenger Rennes - Herredouble | 2021/09/14 13:00 | Jacquet/Mayot v Nedunchezhiyan/Raja | 4-6,5-7 |
| Challenger - Cassis - Herredouble | 2021/09/08 11:35 | Matsui/Uesugi v Nedunchezhiyan/Raja | 7-5,6-1 |
| Challenger St. Tropez - Herredouble | 2021/09/02 11:25 | Grenier/Muller v Nedunchezhiyan/Raja | 4-6,6-1,10-2 |
| Challenger St. Tropez - Herredouble | 2021/09/01 10:35 | Bourgue/Royer v Nedunchezhiyan/Raja | 6-4,2-6,5-10 |
| Challenger Lisboa - Herredouble | 2021/09/29 09:30 | Faria/Faria v Sijsling/Smits | 6-4,6-3 |
| Challenger Braga - Herredouble | 2021/09/24 15:30 | Faria/Faria v Borges/Cabral | 7-6,3-6,7-10 |
| Challenger Braga - Herredouble | 2021/09/22 15:35 | Kwiatkowski/Rybakov v Faria/Faria | 6-7,2-6 |