| WTT Contender Almaty Quals | 09/13 09:05 | - | Islombek Sultonov v Elmurod Kholikov | L | 0-3 | |
| Challenger Ochsenhausen | 10/19 11:40 | - | Damian Zech v Islombek Sultonov | L | 3-1 | |
| Challenger Ochsenhausen | 10/19 07:40 | - | Marius Henninger v Islombek Sultonov | L | 3-0 | |
| Challenger Ochsenhausen | 10/18 19:20 | - | Islombek Sultonov v Carlo Rossi | L | 0-3 | |
| Challenger Ochsenhausen | 10/18 16:00 | - | Islombek Sultonov v Liang Qiu | L | 0-3 | |
| Challenger Ochsenhausen | 10/18 14:00 | - | Felipe Duffoo v Islombek Sultonov | L | 3-2 | |
| Challenger Ochsenhausen | 10/18 10:30 | - | Guilherme Teodoro v Islombek Sultonov | L | 3-0 | |
| Challenger Ochsenhausen | 10/18 07:50 | - | Josip Huzjak v Islombek Sultonov | L | 3-0 | |
| Challenger Ochsenhausen | 02/25 11:20 | 1 | Paul Gauzy v Islombek Sultonov | L | 3-0 | |
| Challenger Ochsenhausen | 02/25 09:20 | 1 | Islombek Sultonov v Francisco Sanchi | L | 1-3 | |
| Challenger Ochsenhausen | 02/24 21:00 | 1 | Jon Ander Guerricabeitia v Islombek Sultonov | L | 3-1 | |
| Challenger Ochsenhausen | 02/24 18:20 | 1 | Peng Gao v Islombek Sultonov | L | 3-1 |