Stadion: Grandstand Round: 26 Ground: Clay
| Challenger - Lyon - Herrendoppel | 2021/06/09 13:00 | Cuevas/Cuevas v Cachin/Ugo Carabelli | 6-7,7-6,10-4 |
| Challenger - Oeiras - Herrendoppel | 2021/05/28 16:50 | Cachin/Ugo Carabelli v De Jong/Van Rijthoven | 4-6,4-6 |
| Challenger - Oeiras - Herrendoppel | 2021/05/27 15:35 | King/Oliveira v Cachin/Ugo Carabelli | 6-4,1-6,7-10 |
| Challenger - Oeiras - Herrendoppel | 2021/05/26 13:30 | Cachin/Ugo Carabelli v Bortolotti/Galovic | 6-3,6-2 |