Round: 1
| Challenger Ochsenhausen | 2020/01/23 08:50 | Jon Ander Guerricabeitia v Islombek Sultonov | W | 3-2 |
| Challenger Ochsenhausen | 2020/02/24 16:20 | Jon Ander Guerricabeitia v Paul Gauzy | L | 1-3 |
| Challenger Ochsenhausen | 2020/02/24 13:30 | Jon Ander Guerricabeitia v Francisco Sanchi | L | 1-3 |
| Challenger Ochsenhausen | 2020/02/24 10:10 | Peng Gao v Jon Ander Guerricabeitia | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/24 08:10 | Jon Ander Guerricabeitia v David Reitspies | L | 0-3 |
| Challenger Ochsenhausen | 2020/01/24 10:50 | Siddharta Almeida v Jon Ander Guerricabeitia | W | 1-3 |
| Challenger Ochsenhausen | 2020/01/24 08:50 | Hampus Nordberg v Jon Ander Guerricabeitia | L | 3-0 |
| Challenger Ochsenhausen | 2020/01/23 12:10 | Jon Ander Guerricabeitia v Tomasz Tomaszuk | W | 3-0 |
| Challenger Ochsenhausen | 2020/01/23 08:50 | Jon Ander Guerricabeitia v Islombek Sultonov | W | 3-2 |
| Challenger Ochsenhausen | 2020/02/24 18:20 | Peng Gao v Islombek Sultonov | L | 3-1 |
| Challenger Ochsenhausen | 2020/02/24 15:40 | Islombek Sultonov v David Reitspies | L | 0-3 |
| Challenger Ochsenhausen | 2020/02/24 11:30 | Islombek Sultonov v Sushmit Sriram | L | 0-3 |
| Challenger Ochsenhausen | 2020/02/24 09:30 | Islombek Sultonov v Valerij Rakov | L | 2-3 |
| 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 |