Stadium: Court 1 Round: 54
| ITF Kazakhstan F1 | 2018/02/14 07:35 | Sergey Fomin v Khumoyun Sultanov | 6-4,4-6,6-3 |
| ITF Kazakhstan F5 | 2016/09/19 07:35 | Sergey Fomin v Khumoyun Sultanov | 0-6,4-6 |
| Challenger Samarkand Qual | 2018/05/13 05:00 | Papik, Tomas v Sergey Fomin | 1-6,5-7 |
| Challenger Samarkand Qual | 2018/05/12 05:00 | Bielinskyi, Oleksandr v Sergey Fomin | 4-6,2-6 |
| Challenger Karshi | 2018/05/07 08:50 | Ignatik, Uladzimir v Sergey Fomin | 6-3,6-3 |
| ITF Uzbekistan F2 | 2018/04/24 11:30 | Karimov, Jurabek v Sergey Fomin | 6-3,6-3 |
| ITF Kazakhstan F1 | 2018/02/15 07:20 | Fufygin, Mikhail v Sergey Fomin | 6-4,6-2 |
| ITF Kazakhstan F1 | 2018/02/14 07:35 | Sergey Fomin v Khumoyun Sultanov | 6-4,4-6,6-3 |
| ITF Kazakhstan F1 | 2018/02/12 07:35 | Kirkov, Vasil v Sergey Fomin | 0-6,6-7 |
| ITF Kazakhstan F1 Qual | 2018/02/11 04:00 | Sergey Fomin v Yulik, Viacheslav | 6-2,6-3 |
| Challenger Samarkand Qual | 2018/05/13 11:00 | Khumoyun Sultanov v Prashanth, N. Vijay Sundar | 6-4,6-3 |
| Challenger Samarkand Qual | 2018/05/12 06:45 | Abzalov, Sharobiddin v Khumoyun Sultanov | 5-7,2-6 |
| Challenger Karshi | 2018/05/10 06:00 | Khumoyun Sultanov v Boluda-Purkiss, Carlos | 6-7,4-6 |
| Challenger Karshi | 2018/05/09 05:30 | Vilella Martinez, Mario v Khumoyun Sultanov | 1-6,5-7 |
| Challenger Karshi | 2018/05/07 07:15 | Kravchuk, Konstantin v Khumoyun Sultanov | 6-7,3-6 |
| ITF Uzbekistan F2 | 2018/04/25 06:25 | Khumoyun Sultanov v Kravchuk, Konstantin | 5-7,4-6 |
| ITF Uzbekistan F2 | 2018/04/23 08:25 | Khumoyun Sultanov v Pena Lopez, Manuel | 6-2,6-1 |
| ITF Uzbekistan F1 | 2018/04/19 05:00 | Khumoyun Sultanov v Tyurnev, Evgeny | 4-6,2-6 |