Head to Head
| All England Open | 2017/08/21 13:00 | Wan Ho Son v Kalle Koljonen | W | 2-0 |
Home History
| Kaohsiung Masters | 2023/09/28 07:30 | Wan Ho Son v Chia Hao Lee | L | 1-2 |
| Kaohsiung Masters | 2023/09/27 07:25 | Wan Ho Son v Chia Hung Lu | W | 2-0 |
| Kaohsiung Masters | 2023/09/26 11:15 | Wan Ho Son v Jing Hong Kok | W | 2-1 |
| Vietnam Open | 2023/09/14 09:00 | Saran Jamsri v Wan Ho Son | L | 2-1 |
| Vietnam Open | 2023/09/13 08:20 | Wan Ho Son v Joo Ven Soong | W | 2-1 |
| Vietnam Open | 2023/09/12 16:00 | Jacob Schueler v Wan Ho Son | W | 0-2 |
| Korea Open | 2023/07/19 01:55 | Junpeng Zhao v Wan Ho Son | L | 2-1 |
| Korea Open Qual | 2023/07/18 04:00 | Wan Ho Son v Dong Keun Lee | W | 2-1 |
Away History
| Hylo Open | 2023/11/01 10:45 | Ade Resky Dwicahyo v Kalle Koljonen | W | 1-2 |
| Abu Dhabi Masters | 2023/10/19 12:55 | Kalle Koljonen v Duc Phat Le | L | 1-2 |
| Abu Dhabi Masters | 2023/10/18 14:25 | Kalle Koljonen v Binghong Ye | W | 2-0 |
| Arctic Open | 2023/10/11 14:40 | Kalle Koljonen v Chico Aura Dwi Wardoyo | L | 0-2 |
| Scottish Open | 2023/10/06 09:00 | Kalle Koljonen v Joran Kweekel | L | 0-2 |
| Hong Kong Open | 2023/09/13 05:55 | Rasmus Gemke v Kalle Koljonen | L | 2-0 |
| Hong Kong Open - Qualifikation | 2023/09/12 05:10 | Kalle Koljonen v June Wei Cheam | W | 2-1 |
| Hong Kong Open - Qualifikation | 2023/09/12 02:20 | S. Sankar Muthusamy Subramanian v Kalle Koljonen | W | 1-2 |