| Qatar Open - Gemischtes Doppel | 2018/08/15 07:10 | Niagol Stoyanov v Yuki Matsuyama | W | 4-1 |
| Qatar Open - Gemischtes Doppel | 2018/05/29 02:50 | Niagol Stoyanov v Bo Fang | L | 2-4 |
| Qatar Open - Gemischtes Doppel | 2018/05/23 02:40 | Niagol Stoyanov v Jike Zhang | L | 2-4 |
| Qatar Open - Gemischtes Doppel | 2018/03/15 11:50 | Sangsu Lee v Niagol Stoyanov | L | 4-2 |
| Challenger - Ochsenhausen | 2018/02/13 12:00 | Miroslav Horejsi v Niagol Stoyanov | W | 1-3 |
| Challenger - Ochsenhausen | 2018/02/13 10:40 | Niagol Stoyanov v Jiri Vrablik | L | 0-3 |
| Challenger - Ochsenhausen | 2018/02/12 20:20 | He Bai v Niagol Stoyanov | W | 1-3 |
| Challenger - Ochsenhausen | 2018/02/12 17:40 | Evgueni Chtchetinine v Niagol Stoyanov | L | 3-0 |
| Qatar Open - Gemischtes Doppel | 2018/09/18 10:00 | Marek Badowski v Carlos Caballero | W | 4-3 |
| Katar Open - Damen | 2018/08/23 17:20 | Vladimir Samsonov v Marek Badowski | L | 4-1 |
| Tschechien - Extraleague | 2018/08/21 07:00 | Haidong Xu v Marek Badowski | L | 3-1 |
| Tschechien - Extraleague | 2018/08/15 14:40 | Haidong Xu v Marek Badowski | L | 3-0 |
| Qatar Open - Gemischtes Doppel | 2018/08/15 08:50 | Yun-Ju Lin v Marek Badowski | L | 4-0 |
| Qatar Open - Gemischtes Doppel | 2018/08/14 08:55 | Marek Badowski v Daewoo Kim | W | 4-1 |
| Tschechien - Extraleague | 2018/08/14 06:05 | Marek Badowski v Chun-Yu Tsai | W | 3-2 |
| Katar Open - Damen | 2018/05/03 17:00 | Bojan Tokic v Marek Badowski | L | 3-1 |