Stadium: Court 2 Round: 14 Ground: Hardcourt indoor
| Challenger St. Petersburg | 2021/03/01 13:25 | Altug Celikbilek v Khumoyun Sultanov | 6-4,6-1 |
| ITF - Antalya M15 | 2021/02/12 10:30 | Khumoyun Sultanov v Filip Cristian Jianu | 2-6,1-6 |
| ITF - Antalya M15 | 2021/02/11 09:20 | Khumoyun Sultanov v Alvaro Lopez San Martin | 6-2,6-3 |
| ITF - Antalya M15 | 2021/02/10 07:00 | Khumoyun Sultanov v Gabriele Maria Noce | 6-7,6-3,7-6 |
| ITF - Antalya M15 | 2021/02/05 07:00 | Khumoyun Sultanov v Hamad Medjedovic | 5-7,6-4,2-6 |
| ITF - Antalya M15 | 2021/02/04 09:55 | Khumoyun Sultanov v Timo Legout | 6-3,0-6,6-3 |
| ITF - Antalya M15 | 2021/02/03 13:35 | Khumoyun Sultanov v Dan Alexandru Tomescu | 4-6,6-3,7-6 |
| ITF - Antalya M15 | 2021/01/31 12:10 | Georgii Kravchenko v Khumoyun Sultanov | 6-2,6-3 |
| Challenger St. Petersburg | 2021/02/28 09:10 | Daniil Glinka v Skander Mansouri | 6-3,6-7,5-7 |
| ITF - St Petersburg M15 - Kwalifikacje | 2021/02/07 12:45 | Daniil Glinka v Chad Kissell | 6-2,4-6,8-10 |
| ITF - St Petersburg M15 | 2021/02/03 08:20 | Jan Choinski v Daniil Glinka | 6-1,6-4 |
| ITF - St Petersburg M15 | 2021/02/01 07:00 | Daniil Glinka v Leonid Sheyngezikht | 6-3,6-4 |
| ITF - Parnu M15 | 2020/11/05 08:00 | Daniil Glinka v Mick Veldheer | 6-7,6-7 |
| ITF - Parnu M15 | 2020/11/03 08:00 | Daniil Glinka v Siim Troost | 6-3,6-4 |
| ITF - Monastir M15 | 2020/10/24 08:30 | Wojciech Marek v Daniil Glinka | 6-3,6-4 |
| ITF - Monastir M15 | 2020/10/23 10:10 | Oscar Weightman v Daniil Glinka | 3-6,6-7 |