Estádio: Court 4 Round: 26 Ground: Hardcourt outdoor
| Challenger - Samarkand | 2019/05/13 05:00 | Khumoyun Sultanov v Sergey Fomin | 6-7,6-3,2-6 |
| ITF - M25 Aktobe | 2019/02/20 11:10 | Sergey Fomin v Khumoyun Sultanov | 6-7,5-7 |
| Challenger - Samarkand - Qualificação | 2018/05/15 05:30 | Sergey Fomin v Khumoyun Sultanov | 6-2,6-2 |
| ITF - Cazaquistão F1 | 2018/02/14 07:35 | Sergey Fomin v Khumoyun Sultanov | 6-4,4-6,6-3 |
| ITF - Cazaquistão F5 | 2016/09/19 07:35 | Sergey Fomin v Khumoyun Sultanov | 0-6,4-6 |
| ITF - M25 Nur-Sultã | 2021/10/27 08:00 | Artur Khairutdinov v Sergey Fomin | 1-6,2-6 |
| ITF - M25 Nur-Sultã | 2021/10/21 07:45 | Eric Vanshelboim v Sergey Fomin | 6-3,6-1 |
| ITF - M25 Nur-Sultã | 2021/10/20 05:05 | Sergey Fomin v Daniil Felker | 6-2,6-1 |
| ITF - M15 Cazã | 2021/10/14 10:05 | Sergey Fomin v Egor Agafonov | 6-7,6-3,4-6 |
| ITF - M15 Cazã | 2021/10/13 13:25 | Sergey Fomin v Konstantin Zhzhenov | 7-5,6-4 |
| ITF - M25 Falun | 2021/09/27 12:00 | Sergey Fomin v Vasil Kirkov | 3-6,2-6 |
| ITF - M25 Jönköping | 2021/09/21 10:45 | Renta Tokuda v Sergey Fomin | 6-4,6-4 |
| Challenger - Nur-Sultã | 2021/07/11 08:45 | Andrey Kuznetsov v Sergey Fomin | 6-3,6-1 |
| ITF - M25 Nur-Sultã | 2021/10/27 07:35 | Dostanbek Tashbulatov v Khumoyun Sultanov | 3-6,3-6 |
| ITF - M25 Nur-Sultã | 2021/10/20 05:10 | Khumoyun Sultanov v Eric Vanshelboim | 4-6,3-6 |
| ITF - M25 Praga | 2021/10/10 08:25 | Khumoyun Sultanov v David Poljak | 6-2,3-6,6-4 |
| ITF - M25 Praga | 2021/10/09 08:25 | Timo Stodder v Khumoyun Sultanov | 6-4,3-6,5-7 |
| ITF - M25 Praga | 2021/10/08 09:00 | Khumoyun Sultanov v Marek Gengel | 3-6,6-3,6-4 |
| ITF - M25 Praga | 2021/10/07 08:00 | Khumoyun Sultanov v Andrew Paulson | 4-6,6-3,6-2 |
| ITF - M25 Praga | 2021/10/06 08:00 | Khumoyun Sultanov v Vojtech Mares | 7-5,6-0 |
| ITF - M25 Falun | 2021/10/01 14:30 | Khumoyun Sultanov v Valentin Royer | 2-6,3-6 |