| European Championships | 04/11 09:20 | - | Viktor Axelsen v Kalle Koljonen | L | 2-0 | |
| European Championships | 04/10 14:05 | - | Aria Dinata v Kalle Koljonen | W | 0-2 | |
| European Championships | 04/08 12:00 | - | Kalle Koljonen v Gustav Bjorkler | W | 2-0 | |
| Spain Masters | 03/27 18:45 | 5 | Yushi Tanaka v Kalle Koljonen | L | 2-0 | |
| Spain Masters Qual | 03/26 07:00 | 4 | Kalle Koljonen v Alwi Farhan | - | CANC | |
| Polish Open | 03/23 09:00 | - | Kalle Koljonen v Kai Schaefer | L | 0-2 | |
| Polish Open | 03/22 11:40 | - | Kalle Koljonen v Aria Dinata | W | 2-1 | |
| Orleans Masters | 03/14 13:40 | 4 | Alex Lanier v Kalle Koljonen | L | 2-0 | |
| Orleans Masters | 03/13 17:45 | 5 | Kalle Koljonen v Kevin Cordon | W | 2-0 | |
| German Open | 02/29 15:20 | 4 | Li Yang Su v Kalle Koljonen | L | 2-0 | |
| German Open | 02/28 20:15 | 5 | Kalle Koljonen v Ade Resky Dwicahyo | W | 2-0 | |
| Azerbaijan Int. | 02/11 06:00 | - | Kalle Koljonen v Sameer Verma | L | 1-2 |