| Ukraine Int. | 2021/09/09 07:40 | Ivan Rusev v S.K. Karunakaran | L | 1-2 |
| Hungarian Int. | 2021/11/04 11:20 | Yadav Chittaboina, Rahul v Ivan Rusev | W | 1-2 |
| Bulgarian Int | 2021/10/08 12:35 | Ivan Rusev v Julien Scheiwiller | W | 2-1 |
| Bulgarian Int | 2021/10/08 07:55 | Ivan Rusev v Yusuf Yasar | W | 2-0 |
| Polish Int. | 2021/09/24 12:20 | Thoegersen, M. v Ivan Rusev | L | 2-1 |
| Ukraine Int. | 2021/09/09 07:40 | Ivan Rusev v S.K. Karunakaran | L | 1-2 |
| Ukraine Int. | 2021/09/08 08:40 | Ivan Rusev v Viacheslav Yakovlev | W | 2-1 |
| Hellas Int. | 2021/09/03 09:30 | Varun Kapur v Ivan Rusev | L | 2-1 |
| Denmark Masters Qual | 2021/08/05 07:40 | Ivan Rusev v Christensen, Jeppe Bruun | L | 0-2 |
| Hungarian Int. | 2021/11/04 12:20 | Joonas Korhonen v S.K. Karunakaran | W | 0-2 |
| Belgian International 2019, MS | 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 |
| Ukraine Int. | 2021/09/09 07:40 | Ivan Rusev v S.K. Karunakaran | W | 1-2 |
| Ukraine Int. | 2021/09/08 09:20 | S.K. Karunakaran v Enogat Roy | W | 2-0 |
| Ukraine Int. | 2021/09/07 12:20 | S.K. Karunakaran v Drexler, Philipp | W | 2-0 |