| Dutch Open Qual | 2021/10/13 10:20 | Elias Bracke v Joonas Korhonen | W | 1-2 |
| Latvia Int. | 2021/08/28 13:40 | Alex Lanier v Joonas Korhonen | L | 2-0 |
| Latvia Int. | 2021/08/28 08:00 | Joonas Korhonen v Nicolas A. Mueller | W | 2-0 |
| Latvia Int. | 2021/08/27 11:20 | Joel Koenig v Joonas Korhonen | W | 0-2 |
| Swedish Open Qual | 2020/01/16 17:45 | Jakob Godt v Joonas Korhonen | L | 2-1 |
| Swedish Open Qual | 2020/01/16 14:30 | Joonas Korhonen v Rasmus Kæseler | W | 2-1 |
| Swedish Open Qual | 2020/01/16 09:00 | Joonas Korhonen v Jacob Schueler | W | 2-1 |
| Estonian Int. Qual | 2020/01/09 11:00 | Simon Sandholm v Joonas Korhonen | L | 2-0 |
| Belgian Int. | 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 Philipp Drexler | W | 2-0 |
| India PBL | 2020/02/04 10:00 | Kaushal Dharmamer v S.K. Karunakaran | L | 2-0 |