Stadium: Court 4 Round: 27 Ground: Clay
| Challenger Biella MD | 2021/06/02 13:05 | Collarini/Galdos v Grenier/Muller | 6-7,4-6 |
| Challenger Nur-Sultan MD | 2021/02/25 08:25 | Lenz/Quiroz v Grenier/Muller | 6-4,6-3 |
| Challenger Nur-Sultan MD | 2021/02/24 04:00 | Marterer/Rola v Grenier/Muller | 4-6,4-6 |