| European Games | 06/28 07:50 | - | Anders Antonsen v Kalle Koljonen | L | 2-1 | |
| Nantes Int. | 06/17 08:00 | - | Kalle Koljonen v Collins Valentine Filimon | L | 1-2 | |
| Nantes Int. | 06/16 10:40 | - | Kalle Koljonen v Lim, Chong King | W | 2-0 | |
| Nantes Int. | 06/16 07:20 | - | Magnus Johannesen v Kalle Koljonen | W | 1-2 | |
| Slovenia Open | 05/21 08:20 | - | Kalle Koljonen v Li Yang Su | L | 0-2 | |
| Slovenia Open | 05/20 14:40 | - | Collins Valentine Filimon v Kalle Koljonen | W | 1-2 | |
| Slovenia Open | 05/20 08:20 | - | Kalle Koljonen v Sai Praneeth, B. | W | 2-0 | |
| Slovenia Open | 05/19 13:40 | - | Arnaud Merkle v Kalle Koljonen | W | 0-2 | |
| Open de Suède | 05/14 08:25 | - | Svendsen, Victor v Kalle Koljonen | L | 2-0 | |
| Open de Suède | 05/13 15:00 | - | Kalle Koljonen v Yu Huang | W | 2-0 | |
| Open de Suède | 05/13 09:30 | - | Chirag Sen v Kalle Koljonen | W | 1-2 | |
| Open de Suède | 05/12 21:31 | - | Chirag Sen v Kalle Koljonen | W | 1-2 | |
| Open de Suède | 05/12 14:00 | - | Lucas Claerbout v Kalle Koljonen | W | 1-2 | |
| Open de Suède | 05/12 09:50 | - | Yohanes Saut Marcellyno v Kalle Koljonen | W | 0-2 | |
| Orleans Masters Qual | 04/04 10:00 | 4 | Kalle Koljonen v Priyanshu Rajawat | - | Cancelled | |
| Orleans Masters Qual | 04/04 09:40 | 4 | Kalle Koljonen v Lucas Claerbout | L | 0-2 | |
| Masters d'Espagne - Qualif. | 03/28 08:10 | 4 | Jonathan Matias v Kalle Koljonen | L | 2-1 | |
| Open de Pologne | 03/26 12:00 | - | Alex Lanier v Kalle Koljonen | L | 2-0 | |
| Open de Pologne | 03/26 07:20 | - | Kalle Koljonen v Julien Carraggi | W | 2-0 | |
| Open de Pologne | 03/25 15:40 | - | Kalle Koljonen v Fabian Roth | W | 2-0 | |
| Open de Pologne | 03/25 10:20 | - | Kalle Koljonen v Jia Heng Jason Teh | W | 2-0 | |
| Open de Pologne | 03/24 14:00 | - | Kalle Koljonen v Aggarwal, Harshit | W | 2-1 | |
| Open d'Allemagne - Qualif. | 03/07 08:00 | 4 | Jan Louda v Kalle Koljonen | L | 2-1 | |
| Estonie Int. - | 01/14 08:20 | - | Kalle Koljonen v Justin Hoh | L | 1-2 | |
| Estonie Int. - | 01/13 15:00 | - | Kalle Koljonen v Samuel Hsiao | W | 2-0 | |
| Estonie Int. - | 01/13 08:30 | - | Kalle Koljonen v Mekala, Kiran Kumar | W | 2-0 | |
| Euro Mixed Team Championships | 12/18 08:20 | - | Nikolov, Daniel v Kalle Koljonen | L | 2-0 | |
| Euro Mixed Team Championships | 12/17 08:20 | - | Wolfgang Gnedt v Kalle Koljonen | W | 0-2 | |
| Dutch Open | 10/13 09:00 | - | Arnaud Merkle v Kalle Koljonen | L | 2-1 | |
| World Championships | 08/22 02:00 | 6 | Rasmus Gemke v Kalle Koljonen | L | 2-0 |