| Oman Open U21 Women | 2020/02/12 11:10 | Islombek Sultonov v Yukiya Uda | L | 0-3 |
| Challenger Ochsenhausen | 2020/01/24 09:30 | Jiri Vrablik v Islombek Sultonov | L | 3-1 |
| Challenger Ochsenhausen | 2020/01/23 13:30 | Tomasz Tomaszuk v Islombek Sultonov | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/23 10:50 | Dauud Cheaib v Islombek Sultonov | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/23 08:50 | Jon Ander Guerricabeitia v Islombek Sultonov | L | 3-2 |
| Challenger Ochsenhausen | 2020/01/22 13:30 | Siddharta Almeida v Islombek Sultonov | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/22 12:10 | Evgueni Chtchetinine v Islombek Sultonov | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/22 07:30 | Hampus Nordberg v Islombek Sultonov | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/04 10:00 | Dauud Cheaib v Valerij Rakov | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/04 08:00 | Nikola Marinkovic v Valerij Rakov | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/03 19:40 | Sven Happek v Valerij Rakov | W | 1-3 |
| Challenger Ochsenhausen | 2020/02/03 17:40 | Valerij Rakov v David Reitspies | L | 0-3 |
| Challenger Ochsenhausen | 2020/02/03 15:00 | Valerij Rakov v Josip Huzjak | L | 1-3 |
| Challenger Ochsenhausen | 2020/02/03 12:10 | Valerij Rakov v Nico Wenger | L | 0-3 |
| Challenger Ochsenhausen | 2020/02/03 09:30 | Evgueni Chtchetinine v Valerij Rakov | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/14 12:40 | Michal Benes v Valerij Rakov | L | 3-0 |