| 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 |
| Polish Int. | 2019/09/20 10:20 | Leon Seiwald v Joonas Korhonen | L | 2-1 |
| Lithuanian Int. | 2019/06/07 11:15 | Joonas Korhonen v Jan Louda | L | 1-2 |
| Latvia Int. | 2019/05/31 14:00 | Joonas Korhonen v Richard Kuhl | W | 2-0 |
| Croatian Int. | 2019/04/19 08:30 | Joonas Korhonen v Martin Bundgaard | L | 0-2 |
| Finnish Open Qual | 2019/04/04 07:45 | Joonas Korhonen v Abhinav Manota | W | 2-0 |
| Bulgarian Int. | 2019/10/05 08:00 | Albin Carl Hjelm v Yonathan Levit | W | 2-0 |
| Bulgarian Int. | 2019/10/04 10:30 | Albin Carl Hjelm v Bruno Carvalho | W | 2-0 |
| Polish Int. | 2019/09/21 09:10 | Mads Thogersen v Albin Carl Hjelm | L | 2-0 |
| Belarus Int. | 2019/08/30 11:00 | Albin Carl Hjelm v Alex Lane | L | 0-2 |
| Denmark Int. Qual | 2019/05/09 13:40 | Jeppe Bruun Christensen v Albin Carl Hjelm | L | 2-0 |
| Denmark Int. Qual | 2019/05/09 08:30 | Albin Carl Hjelm v Iikka Heino | W | 2-0 |
| Finnish Open Qual | 2019/04/04 07:10 | Gatjra P F Cupu v Albin Carl Hjelm | L | 2-0 |
| Swiss Open - ženská štvorhra - kvalifikácia | 2019/03/07 18:00 | Jeppe Bruun Christensen v Albin Carl Hjelm | W | 0-2 |