| Estonian Int. | 2022/01/14 09:10 | Duarte Nuno Anjo v Joonas Korhonen | W | 0-2 |
| Italian Int. | 2021/12/17 09:20 | Samuel Hsiao v Joonas Korhonen | L | 2-1 |
| Irish Open | 2021/11/18 10:00 | Joonas Korhonen v Arnaud Merkle | L | 0-2 |
| Hungarian Int. | 2021/11/04 12:20 | Joonas Korhonen v S.K. Karunakaran | L | 0-2 |
| 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 |
| Estonian Int. | 2022/01/14 09:20 | Harshit Aggarwal v Anuoluwapo Juwon Opeyori | W | 2-0 |
| Polish Int. Qual | 2021/09/24 07:40 | Ludvig Petre Olsson v Harshit Aggarwal | L | 2-0 |
| Polish Int. Qual | 2021/09/23 18:00 | Harshit Aggarwal v Dominik Kopriva | W | 2-1 |
| Polish Int. Qual | 2021/09/23 11:00 | Harshit Aggarwal v Mads Juel Moller | W | 2-1 |
| Polish Open Qual | 2021/03/25 18:30 | Danylo Bosniuk v Harshit Aggarwal | L | 2-1 |
| Polish Open Qual | 2021/03/25 13:45 | Harshit Aggarwal v Mihkel Laanes | W | 2-0 |
| Polish Open Qual | 2021/03/25 08:40 | Yonathan Levit v Harshit Aggarwal | W | 0-2 |
| Hyderabad Open Qual | 2019/08/06 04:40 | Harshit Aggarwal v B.M. Rahul Bharadwaj | L | 0-2 |