Stadium: Court 1 Round: 27 Ground: Grass
| ATP Belgrade MD | 2021/05/28 09:30 | Erlich/Vasilevski v Goransson/Matos | 6-4,6-1 |
| ATP Belgrade MD | 2021/05/27 12:55 | Sabanov/Sabanov v Erlich/Vasilevski | 3-6,6-3,11-13 |
| ATP Belgrade MD | 2021/05/25 15:20 | Arends/Martinez v Erlich/Vasilevski | 3-6,6-0,6-10 |
| ATP Belgrade MD | 2021/05/24 12:00 | Erlich/Vasilevski v Molteni/Nielsen | 6-4,4-6,10-3 |
| Challenger Belgrade MD | 2021/04/16 15:20 | Erlich/Vasilevski v Duran/Molteni | 6-3,5-7,9-11 |
| Challenger Belgrade MD | 2021/04/15 14:40 | Erlich/Vasilevski v Sitak/Vega Hernandez | 6-1,6-1 |
| 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 |
| French Open MD | 2021/06/04 16:15 | Arneodo/Paire v Daniell/Oswald | 6-0,6-4 |
| French Open MD | 2021/06/03 14:10 | Fucsovics/Travaglia v Daniell/Oswald | 3-6,3-6 |
| ATP Parma MD | 2021/05/26 15:25 | Daniell/Oswald v Bolelli/Gonzalez | 2-6,4-6 |
| ATP Rome MD | 2021/05/13 09:55 | Daniell/Oswald v Mektic/Pavic | 6-7,6-7 |
| ATP Rome MD | 2021/05/10 14:00 | Bopanna/Shapovalov v Daniell/Oswald | 4-6,4-6 |
| ATP Munich MD | 2021/04/28 10:00 | Daniell/Oswald v Hanfmann/Koepfer | 6-7,4-6 |
| ATP Munich MD | 2021/04/26 13:30 | Daniell/Oswald v Basilashvili/Begemann | 6-2,7-5 |
| ATP Barcelona MD | 2021/04/18 12:00 | Mannarino/Paire v Daniell/Oswald | 1-6,7-6,10-7 |