Round: 26 Ground: Clay
| Challenger Bratislava MD | 2021/06/10 09:00 | Luz/Matos v Sabanov/Sabanov | 6-2,6-3 |
| Challenger Bratislava MD | 2021/06/09 08:30 | Palovic/Pokorny v Sabanov/Sabanov | 2-6,5-7 |
| ATP Belgrade MD | 2021/05/27 12:55 | Sabanov/Sabanov v Erlich/Vasilevski | 3-6,6-3,11-13 |
| ATP Belgrade MD | 2021/05/26 15:50 | Delbonis/Sitak v Sabanov/Sabanov | 2-6,1-6 |
| ATP Belgrade MD | 2021/05/23 15:20 | Sabanov/Sabanov v Brkic/Cacic | 4-6,6-3,10-8 |
| Challenger Heilbronn MD | 2021/05/12 13:30 | Matos/M R Alves v Sabanov/Sabanov | 6-3,6-0 |
| Challenger Prague MD | 2021/05/08 12:50 | Polmans/Stakhovsky v Sabanov/Sabanov | 6-3,6-4 |
| Challenger Prague MD | 2021/05/07 09:00 | Sabanov/Sabanov v Drzewiecki/Majchrzak | 6-2,6-2 |