Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Banja Luka MD | 2021/09/11 16:00 | Sabanov/Sabanov v Sancic A / Serdarusic N | 3-6,3-6 |
| Challenger Banja Luka MD | 2021/09/10 13:05 | Sabanov/Sabanov v Kolar/Sachko | 2-6,6-3,10-6 |
| Challenger Banja Luka MD | 2021/09/09 11:00 | Sabanov/Sabanov v Jecan/Tomescu | 6-3,6-3 |
| Challenger Banja Luka MD | 2021/09/08 09:30 | Sabanov/Sabanov v Tadic/Topo | 6-2,6-2 |
| Challenger Como MD | 2021/09/01 08:00 | Sabanov/Sabanov v Bortolotti/Cuevas | 7-5,2-6,7-10 |
| Challenger Luedenscheid MD | 2021/08/21 11:05 | Molchanov D / Nedovyesov A v Sabanov/Sabanov | 4-6,6-2,10-12 |
| Challenger Luedenscheid MD | 2021/08/20 16:40 | Sabanov/Sabanov v Hach Verdugo H / Reyes-Varela M | 6-2,3-6,10-6 |
| Challenger Luedenscheid MD | 2021/08/19 13:20 | Cuevas M / Mena F v Sabanov/Sabanov | 4-6,2-6 |