Stadium: Court 1 Round: 27 Ground: Grass
| ATP Mallorca MD | 2021/06/21 17:20 | Lopez-Tarres M / Munar Clar J A v Erlich J / Vasilevski A | 2-6,2-6 |
| ATP Belgrade MD | 2021/05/28 09:30 | Erlich J / Vasilevski A v Goransson/Matos | 6-4,6-1 |
| ATP Belgrade MD | 2021/05/27 12:55 | Sabanov/Sabanov v Erlich J / Vasilevski A | 3-6,6-3,11-13 |
| ATP Belgrade MD | 2021/05/25 15:20 | Arends/Martinez v Erlich J / Vasilevski A | 3-6,6-0,6-10 |
| ATP Belgrade MD | 2021/05/24 12:00 | Erlich J / Vasilevski A v Molteni/Nielsen | 6-4,4-6,10-3 |
| Challenger Belgrade MD | 2021/04/16 15:20 | Erlich J / Vasilevski A v Duran G / Molteni A | 6-3,5-7,9-11 |
| Challenger Belgrade MD | 2021/04/15 14:40 | Erlich J / Vasilevski A v Sitak/Vega Hernandez | 6-1,6-1 |
| Challenger Belgrade MD | 2021/04/14 12:35 | Gonzalez/Sharan v Erlich J / Vasilevski A | 3-6,3-6 |
| ATP Mallorca MD | 2021/06/22 13:25 | Arends/Middelkoop v Daniell/Philipp Oswald | 3-6,2-6 |
| ATP Queens MD | 2021/06/19 11:00 | Herbert P-H / Mahut N v Daniell/Philipp Oswald | 6-4,3-6,11-9 |
| ATP Queens MD | 2021/06/17 12:40 | Daniell/Philipp Oswald v Cabal / Farah | 4-6,6-2,10-6 |
| ATP Queens MD | 2021/06/16 15:25 | Daniell/Philipp Oswald v Mannarino A / Paire B | 6-3,6-4 |
| ATP Stuttgart MD | 2021/06/11 12:15 | Behar A / Escobar G v Daniell/Philipp Oswald | 7-6,7-6 |
| ATP Stuttgart MD | 2021/06/10 09:00 | Nielsen/Rojer v Daniell/Philipp Oswald | 5-7,7-6,4-10 |
| Open de France - Doubles Hommes | 2021/06/04 16:15 | R Arneodo / B Paire v Daniell/Philipp Oswald | 6-0,6-4 |
| Open de France - Doubles Hommes | 2021/06/03 14:10 | Fucsovics/Travaglia v Daniell/Philipp Oswald | 3-6,3-6 |