| Hungarian Int. | 2021/11/06 09:40 | S.K. Karunakaran v Fabian Roth | W | 2-0 |
| Hungarian Int. | 2021/11/05 15:20 | Seng Zoe Yeoh v S.K. Karunakaran | W | 0-2 |
| Hungarian Int. | 2021/11/05 09:00 | Ivan Rusev v S.K. Karunakaran | W | 0-2 |
| Hungarian Int. | 2021/11/04 12:20 | Joonas Korhonen v S.K. Karunakaran | W | 0-2 |
| Belgian International | 2021/10/28 08:45 | Riku Hatano v S.K. Karunakaran | L | 2-0 |
| Ukraine Int. | 2021/09/10 14:40 | S.K. Karunakaran v Priyanshu Rajawat | L | 0-2 |
| Ukraine Int. | 2021/09/10 06:55 | Ken Yon Ong v S.K. Karunakaran | W | 1-2 |
| Ukraine Int. | 2021/09/09 14:20 | Jia Heng Jason Teh v S.K. Karunakaran | W | 1-2 |
| Hungarian Int. | 2021/11/06 09:40 | Daniel Nikolov v Meiraba Luwang Maisnam | W | 2-1 |
| Hungarian Int. | 2021/11/05 15:40 | Daniel Nikolov v Martin Bundgaard | W | 2-0 |
| Hungarian Int. | 2021/11/05 11:00 | Fabio Caponio v Daniel Nikolov | W | 0-2 |
| Hungarian Int. | 2021/11/04 11:40 | Samuel Hsiao v Daniel Nikolov | W | 0-2 |
| Dutch Open | 2021/10/16 08:20 | Daniel Nikolov v Xiaodong Sheng | L | 0-2 |
| Dutch Open | 2021/10/15 12:50 | Daniel Nikolov v Jacob Nilsson | W | 2-0 |
| Dutch Open | 2021/10/14 10:35 | Ygor Coelho v Daniel Nikolov | W | 1-2 |
| Dutch Open - Calificari | 2021/10/13 12:50 | Wolfgang Gnedt v Daniel Nikolov | W | 1-2 |