| Dutch Int. - Qualif. | 2023/04/13 11:50 | Ivan Rusev v Joonas Korhonen | L | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 11:10 | Charlie Castle v Joonas Korhonen | W | 0-2 |
| Open de Pologne - Qualif. | 2023/03/22 10:20 | Ouazzen, Martin v Joonas Korhonen | L | 2-0 |
| International du Portugal Qualif. | 2023/03/09 16:00 | Imran Wadia v Joonas Korhonen | W | 0-2 |
| International du Portugal Qualif. | 2023/03/08 12:10 | Sebastian Kadlec v Joonas Korhonen | W | 0-2 |
| Estonie Int. - Qualif. | 2023/01/12 10:20 | Joonas Korhonen v Mads Juel Moller | L | 0-2 |
| Norwegian Int. | 2022/11/11 10:00 | Joonas Korhonen v Andi Fadel Muhammad | L | 0-2 |
| Czech Open | 2022/10/21 11:00 | Svendsen, Victor v Joonas Korhonen | L | 2-0 |
| Open du Luxembourg - Qualif. | 2023/05/04 14:40 | Larry Pong v Alvaro Leal | L | 0-2 |
| Open du Luxembourg - Qualif. | 2023/05/04 09:20 | Jasper Koppen v Larry Pong | W | 1-2 |
| Dutch Int. - | 2023/04/14 15:00 | Julien Carraggi v Larry Pong | L | 2-0 |
| Dutch Int. - | 2023/04/14 10:25 | Larry Pong v Aram Mahmoud | W | 2-1 |
| Dutch Int. - Qualif. | 2023/04/13 18:40 | Larry Pong v Cholan Kayan | W | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 15:20 | Larry Pong v Jasper Koppen | W | 2-0 |
| Dutch Int. - Qualif. | 2023/04/13 08:20 | Larry Pong v Iljo Van Delsen | W | 2-0 |
| Estonie Int. - Qualif. | 2023/01/12 09:55 | Justin Hoh v Larry Pong | L | 2-0 |