| Challenger - Ochsenhausen | 2018/01/03 08:10 | Jakub Kosowski v Niagol Stoyanov | W | 2-3 |
| Challenger - Ochsenhausen | 2018/01/05 11:30 | Tomasz Tomaszuk v Niagol Stoyanov | W | 0-3 |
| Challenger - Ochsenhausen | 2018/01/04 13:30 | Niagol Stoyanov v Michal Bankosz | W | 3-0 |
| Challenger - Ochsenhausen | 2018/01/04 12:10 | Michal Benes v Niagol Stoyanov | W | 1-3 |
| Challenger - Ochsenhausen | 2018/01/04 10:10 | Andriy Sitak v Niagol Stoyanov | W | 2-3 |
| Challenger - Ochsenhausen | 2018/01/03 14:10 | Josip Huzjak v Niagol Stoyanov | L | 3-0 |
| Challenger - Ochsenhausen | 2018/01/03 10:50 | Jiri Vrablik v Niagol Stoyanov | W | 2-3 |
| Challenger - Ochsenhausen | 2018/01/03 08:10 | Jakub Kosowski v Niagol Stoyanov | W | 2-3 |
| Qatar Open - Dames | 2017/12/20 18:55 | Niagol Stoyanov v Pavel Sirucek | W | 3-1 |
| Challenger - Ochsenhausen | 2018/01/05 10:50 | Jakub Kosowski v Michal Benes | W | 3-2 |
| Challenger - Ochsenhausen | 2018/01/05 08:10 | Jakub Kosowski v Andriy Sitak | W | 3-1 |
| Challenger - Ochsenhausen | 2018/01/04 11:30 | Jakub Kosowski v Josip Huzjak | W | 3-0 |
| Challenger - Ochsenhausen | 2018/01/04 08:10 | Jakub Kosowski v Jiri Vrablik | L | 2-3 |
| Challenger - Ochsenhausen | 2018/01/03 13:30 | Jakub Kosowski v Michal Bankosz | W | 3-0 |
| Challenger - Ochsenhausen | 2018/01/03 10:10 | Tomasz Tomaszuk v Jakub Kosowski | W | 2-3 |
| Challenger - Ochsenhausen | 2018/01/03 08:10 | Jakub Kosowski v Niagol Stoyanov | L | 2-3 |
| Challenger - Ochsenhausen | 2017/12/20 12:10 | Frantisek Placek v Jakub Kosowski | L | 3-1 |