Stadium: Court 1 Round: 26 Ground: Clay
| ITF - Praga M25 | 2021/10/06 08:00 | Khumoyun Sultanov v Vojtech Mares | 7-5,6-0 |
| ITF - Falun M25 | 2021/10/01 14:30 | Khumoyun Sultanov v Valentin Royer | 2-6,3-6 |
| ITF - Falun M25 | 2021/09/30 16:15 | Daniel Little v Khumoyun Sultanov | 4-6,2-6 |
| ITF - Falun M25 | 2021/09/29 11:00 | Yusuke Takahashi v Khumoyun Sultanov | 2-6,0-6 |
| ITF - Falun M25 | 2021/09/28 11:00 | Vladimir Ivanov v Khumoyun Sultanov | 1-6,6-7 |
| ITF - Jonkoping M25 | 2021/09/23 08:00 | Evgeny Karlovskiy v Khumoyun Sultanov | 6-3,6-2 |
| ITF - Jonkoping M25 | 2021/09/22 09:55 | Elmer Moller v Khumoyun Sultanov | 2-6,6-4,2-6 |
| ITF - Jonkoping M25 | 2021/09/21 07:30 | Arvid Nordquist v Khumoyun Sultanov | 3-6,3-6 |
| ITF - Pardubice M25 | 2021/09/23 11:00 | Filip Misolic v Andrew Paulson | 3-6,7-5,6-2 |
| ITF - Pardubice M25 | 2021/09/23 07:30 | Dominik Recek v Andrew Paulson | 2-6,6-7 |
| UTR Pro Tennis Series Ricany | 2021/09/19 07:00 | Filip Duda v Andrew Paulson | 0-0 |
| UTR Pro Tennis Series Ricany | 2021/09/18 09:00 | Petr Hajek v Andrew Paulson | 4-6,1-6 |
| UTR Pro Tennis Series Ricany | 2021/09/17 10:30 | Andrey Chepelev v Andrew Paulson | 3-6,2-5 |
| UTR Pro Tennis Series Ricany | 2021/09/16 08:30 | Marek Jaloviec v Andrew Paulson | 6-3,2-6,6-7 |
| UTR Pro Tennis Series Ricany | 2021/09/14 10:30 | Jiri Jenicek v Andrew Paulson | 3-6,4-5 |
| UTR Pro Tennis Series Ricany | 2021/09/13 09:00 | Andrew Paulson v Dominik Suc | 4-6,7-6,6-0 |