| Slovenia Future Series | 2019/11/22 10:45 | Joonas Korhonen v Gergo Pytel | W | 2-0 |
| Norwegian International | 2019/11/08 10:30 | Joakim Oldorff v Joonas Korhonen | L | 2-0 |
| SaarLorLux Open | 2019/10/29 19:00 | Yee Han Chong v Joonas Korhonen | L | 2-0 |
| Bulgarian Int. | 2019/10/06 08:00 | Joonas Korhonen v Dimitar Yanakiev | L | 0-2 |
| Bulgarian Int. | 2019/10/05 13:30 | Joonas Korhonen v Albin Carl Hjelm | W | 2-1 |
| Bulgarian Int. | 2019/10/05 07:30 | Peyo Boichinov v Joonas Korhonen | W | 1-2 |
| Bulgarian Int. | 2019/10/04 13:00 | Joonas Korhonen v Giovanni Toti | W | 2-0 |
| Bulgarian Int. | 2019/10/04 07:00 | Joonas Korhonen v Julien Scheiwiller | W | 2-0 |
| Norwegian Int. Qual | 2019/11/07 12:00 | Markus Barth v Rasmus Kæseler | L | 2-0 |
| Hungarian Int. Qual | 2019/10/30 13:15 | Rasmus Kæseler v Aram Mahmoud | L | 0-2 |
| Hungarian Int. Qual | 2019/10/30 10:00 | Talar Laa v Rasmus Kæseler | W | 1-2 |
| Swiss Open WD Qual | 2019/01/17 09:00 | Hampus Boldt v Rasmus Kæseler | W | 0-2 |
| Swiss Open WD Qual | 2018/01/18 16:00 | Mickey Lykkegren v Rasmus Kæseler | L | 2-1 |
| Swiss Open WD Qual | 2017/12/05 15:30 | Vincent Medina v Rasmus Kæseler | L | 2-1 |
| Giraldilla Int. XD | 2017/01/19 12:06 | Rasmus Kæseler v Fabio Caponio | W | 2-1 |