Stadium: Centre Court Round: 29 Ground: Clay
| Challenger Luedenscheid MD | 2021/08/20 14:45 | Molchanov/Nedovyesov v Begemann/Olivetti | 7-6,7-5 |
| Challenger Luedenscheid MD | 2021/08/19 14:50 | Molchanov/Nedovyesov v Cerundolo/Merino | 6-3,6-1 |
| Challenger Luedenscheid MD | 2021/08/18 16:15 | Molchanov/Nedovyesov v Lenz/Verbeek | 6-4,7-5 |
| Challenger Meerbusch MD | 2021/08/12 11:50 | Molchanov/Nedovyesov v Sancic/Sitak | 6-7,5-7 |
| Challenger Meerbusch MD | 2021/08/11 15:30 | Molchanov/Nedovyesov v Klein/Pospisil | 7-6,6-4 |
| ATP Gstaad MD | 2021/07/20 09:30 | Molchanov/Nedovyesov v Galloway/Lawson | 7-5,5-7,7-10 |
| Challenger Salzburg MD | 2021/07/07 11:55 | Galloway/Lawson v Molchanov/Nedovyesov | 7-6,6-4 |
| Challenger Bratislava MD | 2021/06/12 10:30 | Molchanov/Nedovyesov v Arends/Martinez | 7-6,6-1 |
| Challenger Luedenscheid MD | 2021/08/20 16:40 | Sabanov/Sabanov v Verdugo/Reyes-Varela | 6-2,3-6,10-6 |
| Challenger Luedenscheid MD | 2021/08/19 13:20 | Cuevas/Mena v Sabanov/Sabanov | 4-6,2-6 |
| Challenger Luedenscheid MD | 2021/08/18 09:00 | Drzewiecki/Martos Gornes v Sabanov/Sabanov | 5-7,2-6 |
| Challenger Meerbusch MD | 2021/08/12 10:00 | Walkow/Zielinski v Sabanov/Sabanov | 7-6,6-4 |
| Challenger Meerbusch MD | 2021/08/10 13:45 | Bobrov/Safiullin v Sabanov/Sabanov | 2-6,6-7 |
| ATP Umag MD | 2021/07/23 18:50 | Brkic/Cacic v Sabanov/Sabanov | 6-1,6-2 |
| ATP Umag MD | 2021/07/22 15:30 | Sabanov/Sabanov v Dzumhur/Sancic | 7-5,6-0 |
| ATP Umag MD | 2021/07/19 18:45 | Martinez/Sitak v Sabanov/Sabanov | 6-3,6-7,6-10 |