Stadium: Court 12 Round: 25 Ground: Clay
| Challenger Antalya | 2021/11/29 10:05 | Khumoyun Sultanov v Jakub Paul | 3-6,3-6 |
| Challenger Manama | 2021/11/22 10:10 | Khumoyun Sultanov v Marek Gengel | 6-4,6-7,0-6 |
| Challenger Manama | 2021/11/21 11:45 | Khumoyun Sultanov v Omar Ahmed | 6-3,6-2 |
| 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 Prague | 2021/10/10 08:25 | Khumoyun Sultanov v David Poljak | 6-2,3-6,6-4 |
| Challenger Antalya | 2021/12/06 11:30 | Cezar Cretu v Oleg Prihodko | 6-2,6-4 |
| ITF M15 Antalya | 2021/11/28 13:45 | Cezar Cretu v Daniel Michalski | 6-7,2-6 |
| ITF M15 Antalya | 2021/11/28 11:00 | Mircea-Alexandru Jecan v Cezar Cretu | 2-6,6-7 |
| ITF M15 Antalya | 2021/11/25 07:30 | Cezar Cretu v Miguel Gomes | 6-4,6-4 |
| ITF M15 Antalya | 2021/11/24 06:30 | Tiago Cacao v Cezar Cretu | 5-7,3-6 |
| ITF M15 Antalya | 2021/11/19 06:30 | Bogdan Ionut Apostol v Cezar Cretu | 6-4,7-5 |
| ITF M15 Antalya | 2021/11/17 06:30 | Cezar Cretu v Igor Kudriashov | 6-4,7-6 |
| ITF M15 Antalya | 2021/11/14 07:00 | Cezar Cretu v Bastian Malla | 0-6,1-6 |