Stadium: Court 2 Round: 14 Ground: Hardcourt outdoor
| ITF M25 Nur-Sultan | 2021/10/29 05:00 | Yan Sabanin v Khumoyun Sultanov | 6-3,6-4 |
| ITF M25 Nur-Sultan | 2021/10/28 04:55 | Sergey Fomin v Khumoyun Sultanov | 6-7,0-6 |
| ITF M25 Nur-Sultan | 2021/10/27 07:35 | Dostanbek Tashbulatov v Khumoyun Sultanov | 3-6,3-6 |
| ITF M25 Nur-Sultan | 2021/10/20 05:10 | Khumoyun Sultanov v Eric Vanshelboim | 4-6,3-6 |
| ITF M25 Praha | 2021/10/10 08:25 | Khumoyun Sultanov v David Poljak | 6-2,3-6,6-4 |
| ITF M25 Praha | 2021/10/09 08:25 | Timo Stodder v Khumoyun Sultanov | 6-4,3-6,5-7 |
| ITF M25 Praha | 2021/10/08 09:00 | Khumoyun Sultanov v Marek Gengel | 3-6,6-3,6-4 |
| ITF M25 Praha | 2021/10/07 08:00 | Khumoyun Sultanov v Andrew Paulson | 4-6,6-3,6-2 |