| Olympic Qualification | 2021/03/16 15:20 | Florent Lambiet v Niagol Stoyanov | L | 4-2 |
| Olympic Qualification | 2021/03/15 12:00 | Lei Kou v Niagol Stoyanov | L | 4-1 |
| Olympic Qualification | 2021/03/14 13:01 | Niagol Stoyanov v Sharath Kamal Achanta | W | 4-2 |
| WTT Star Contender - Doha | 2021/03/06 16:54 | Niagol Stoyanov v Nima Alamian | L | 1-3 |
| Challenger - Ochsenhausen | 2020/09/25 09:50 | Daniel Gorak v Niagol Stoyanov | W | 1-3 |
| Challenger - Ochsenhausen | 2020/09/25 07:50 | Jiri Martinko v Niagol Stoyanov | L | 3-0 |
| Challenger - Ochsenhausen | 2020/09/24 11:10 | Niagol Stoyanov v Jakub Kosowski | L | 2-3 |
| Challenger - Ochsenhausen | 2020/09/24 07:50 | Niagol Stoyanov v Miroslav Horejsi | L | 1-3 |
| Olympic Qualification | 2021/03/14 08:30 | Samuel Kulczycki v Adam Szudi | L | 2-4 |
| U21 - Oman Open - Damen | 2020/03/12 16:20 | Samuel Kulczycki v Raegan Albuquerque | W | 2-0 |
| Polish Open | 2020/03/11 17:00 | Alexandru Manole v Samuel Kulczycki | W | 1-3 |
| U21 - Oman Open - Damen | 2020/03/06 12:30 | Samuel Kulczycki v Lev Katsman | L | 1-4 |
| U21 - Oman Open - Damen | 2020/03/05 12:00 | Samuel Kulczycki v Uladzislau Rukliatsou | W | 4-3 |
| World Team Olympic Quals | 2020/01/23 11:30 | Quadri Aruna v Samuel Kulczycki | L | 3-2 |
| Belarus Open | 2019/11/01 09:20 | Pavel Platonov v Samuel Kulczycki | L | 4-2 |
| Polish Open | 2019/10/19 12:20 | Marek Badowski v Samuel Kulczycki | L | 4-0 |