| Challenger Ochsenhausen | 2018/12/04 14:15 | Jakub Kosowski v Niagol Stoyanov | W | 0-3 |
| Challenger Ochsenhausen | 2018/12/03 18:20 | Jakub Kosowski v Niagol Stoyanov | W | 2-3 |
| Challenger Ochsenhausen | 2018/01/05 13:05 | Niagol Stoyanov v Jakub Kosowski | L | 1-3 |
| Challenger Ochsenhausen | 2018/01/03 08:10 | Jakub Kosowski v Niagol Stoyanov | W | 2-3 |
| Challenger Ochsenhausen | 2020/09/22 07:40 | Niagol Stoyanov v Vitor Ishiy | W | 3-1 |
| Challenger Ochsenhausen | 2020/09/21 18:40 | Niagol Stoyanov v Can Akkuzu | L | 0-3 |
| Challenger Ochsenhausen | 2020/09/21 17:20 | Niagol Stoyanov v Irvin Bertrand | L | 0-3 |
| Challenger Ochsenhausen | 2020/09/21 11:50 | Niagol Stoyanov v Tom Jarvis | L | 1-3 |
| Challenger Ochsenhausen | 2020/09/21 09:10 | Niagol Stoyanov v Daniel Gorak | L | 1-3 |
| Challenger Ochsenhausen | 2020/09/21 06:30 | Niagol Stoyanov v Mihai Bobocica | L | 1-3 |
| Portugal Open | 2020/02/14 20:00 | Niagol Stoyanov v Paul Drinkhall | L | 0-4 |
| Portugal Open | 2020/02/14 14:50 | Niagol Stoyanov v Nandor Ecseki | W | 4-1 |
| Challenger Ochsenhausen | 2020/09/22 09:40 | Jakub Kosowski v Mihai Bobocica | L | 2-3 |
| Challenger Ochsenhausen | 2020/09/21 19:20 | Vitor Ishiy v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2020/09/21 16:40 | Can Akkuzu v Jakub Kosowski | L | 3-2 |
| Challenger Ochsenhausen | 2020/09/21 14:40 | Irvin Bertrand v Jakub Kosowski | L | 3-0 |
| Challenger Ochsenhausen | 2020/09/21 09:50 | Tom Jarvis v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2020/09/21 07:10 | Daniel Gorak v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2020/08/04 10:20 | Jakub Kosowski v Vitor Ishiy | W | 3-1 |
| Challenger Ochsenhausen | 2020/08/04 07:00 | Jakub Kosowski v Vincent Picard | L | 0-3 |