| Challenger - Ochsenhausen | 2021/10/18 11:10 | Felipe Duffoo v Liang Qiu | L | 0-3 |
| Challenger - Ochsenhausen | 2021/10/18 08:30 | Guilherme Teodoro v Felipe Duffoo | L | 3-0 |
| Slovenia Open U21 | 2019/05/09 08:20 | Jeet Chandra v Felipe Duffoo | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/18 10:30 | Guilherme Teodoro v Islombek Sultonov | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/18 07:50 | Josip Huzjak v Islombek Sultonov | L | 3-0 |
| Challenger - Ochsenhausen | 2020/02/25 11:20 | Paul Gauzy v Islombek Sultonov | L | 3-0 |
| Challenger - Ochsenhausen | 2020/02/25 09:20 | Islombek Sultonov v Francisco Sanchi | L | 1-3 |
| Challenger - Ochsenhausen | 2020/02/24 21:00 | Jon Ander Guerricabeitia v Islombek Sultonov | L | 3-1 |
| 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 |