Stadium: Court 1 Round: 28 Ground: Clay
| Challenger Prague MD | 2021/05/06 10:45 | King/Reese v Sabanov/Sabanov | 6-7,5-7 |
| Challenger Prague MD | 2021/05/04 15:40 | Walkow/Zielinski v Sabanov/Sabanov | 6-3,3-6,5-10 |
| ATP Belgrade MD | 2021/04/24 13:00 | Behar/Escobar v Sabanov/Sabanov | 3-6,6-7 |
| ATP Belgrade MD | 2021/04/23 14:15 | Sabanov/Sabanov v Berrettini/Vavassori | 7-6,6-3 |
| ATP Belgrade MD | 2021/04/21 14:25 | Bedene/Sharan v Sabanov/Sabanov | 1-6,3-6 |
| ATP Belgrade MD | 2021/04/20 15:25 | Sabanov/Sabanov v Klaasen/Mclachlan | 6-4,6-2 |
| Challenger Split MD | 2021/04/14 14:40 | Barrere/Olivetti v Sabanov/Sabanov | 4-6,7-5,10-6 |
| Challenger Split MD | 2021/04/08 12:35 | Sabanov/Sabanov v Olivetti/Reid | 1-6,5-7 |
| Challenger Prague MD | 2021/05/06 09:00 | Drzewiecki/Majchrzak v Martinez Portero/Vega Hernandez | 6-4,7-6 |
| Challenger Prague MD | 2021/05/05 11:40 | Safwat/Weissborn v Drzewiecki/Majchrzak | 4-6,1-6 |