| Lithuanian Int. | 06/07 12:00 | - | Joonas Korhonen v William Bøgebjerg | L | 0-2 | |
| Lithuanian Int. Quals | 06/07 06:30 | - | Joonas Korhonen v Noah Haase | W | 2-1 | |
| Lithuanian Int. Quals | 06/06 15:20 | - | Joonas Korhonen v Tony Lindelof | W | 2-1 | |
| Lithuanian Int. Quals | 06/06 11:15 | - | Joonas Korhonen v Andrei Don | W | 2-0 | |
| Finnish Int. | 04/26 15:20 | - | Joonas Korhonen v Subhankar Dey | L | 0-2 | |
| Finnish Int. Qual | 04/25 14:45 | - | Eliel Melleri v Joonas Korhonen | W | 0-2 | |
| Finnish Int. Qual | 04/25 10:55 | - | Felix Wright v Joonas Korhonen | W | 1-2 | |
| Finnish Int. Qual | 04/25 08:00 | - | Filip Swahn v Joonas Korhonen | W | 0-2 | |
| Slovak Open | 04/19 10:20 | - | Andrzej Niczyporuk v Joonas Korhonen | L | 2-0 | |
| Slovak Open | 04/18 15:30 | - | Cholan Kayan v Joonas Korhonen | W | 0-2 | |
| Dutch Int. Qual | 03/14 17:00 | - | Joonas Korhonen v Kien Hwa King | L | 0-2 | |
| Dutch Int. Qual | 03/14 13:55 | - | Baptiste Rolin v Joonas Korhonen | W | 0-2 |