Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Belgrade MD | 2021/04/14 12:35 | Gonzalez/Sharan v Erlich/Vasilevski | 3-6,3-6 |
| ATP Marbella MD | 2021/04/07 13:30 | Erlich/Vasilevski v Arevalo/Middelkoop | 4-6,6-7 |
| ATP Doha MD | 2021/03/09 15:30 | Chardy/Martin v Erlich/Vasilevski | 6-2,6-2 |
| ATP Montpellier MD | 2021/02/28 10:30 | Kontinen/Roger-Vasselin v Erlich/Vasilevski | 6-2,7-5 |
| ATP Montpellier MD | 2021/02/26 11:00 | Erlich/Vasilevski v Lammons/Withrow | 7-6,6-4 |
| ATP Montpellier MD | 2021/02/24 18:30 | Goransson/Pel v Erlich/Vasilevski | 4-6,6-4,7-10 |
| ATP Montpellier MD | 2021/02/22 12:05 | Erlich/Vasilevski v Sharan/Zelenay | 7-5,6-3 |
| Challenger Biella MD | 2021/02/17 15:30 | Davidovich Fokina/Zapata Miralles v Erlich/Vasilevski | 6-4,7-5 |
| Challenger Belgrade MD | 2021/04/14 13:35 | Glasspool/Heliovaara v Sitak/Vega Hernandez | 6-2,4-6,5-10 |
| Challenger Marbella MD | 2021/03/31 12:45 | Petrovic/Pichler v Sitak/Vega Hernandez | 6-2,4-6,10-1 |