Stadium: Court Cascais Round: 26 Ground: Clay
| ATP Belgrade MD | 2021/04/20 11:30 | Berrettini/Vavassori v Molteni/Nielsen | 7-6,6-4 |
| ATP Belgrade MD | 2021/04/24 13:00 | Behar/Escobar v Sabanov/Sabanov | 3-6,6-7 |
| ATP Belgrade MD | 2021/04/23 11:00 | Behar/Escobar v Brkic/Cacic | 6-3,6-4 |
| ATP Belgrade MD | 2021/04/22 13:40 | Behar/Escobar v Millman/Smith | 6-4,7-5 |
| ATP Belgrade MD | 2021/04/20 13:20 | Sitak/Travaglia v Behar/Escobar | 2-6,6-3,6-10 |
| ATP Monte Carlo MD | 2021/04/15 11:20 | Behar/Escobar v Mektic/Pavic | 4-6,6-1,3-10 |
| ATP Monte Carlo MD | 2021/04/14 14:25 | Behar/Escobar v Dimitrov/Goffin | 6-4,6-3 |
| ATP Marbella MD | 2021/04/11 10:00 | Behar/Escobar v Brkic/Cacic | 6-2,6-4 |
| ATP Marbella MD | 2021/04/10 12:30 | Nys/Puetz v Behar/Escobar | 4-6,6-7 |