| Estonian In. - kvalifikácia | 2020/01/09 15:30 | Justus Kilpi v Kai Feng Tang | W | 0-2 |
| Estonian In. - kvalifikácia | 2020/01/09 13:00 | Kai Feng Tang v Sheng Po Yu | W | 2-0 |
| Estonian In. - kvalifikácia | 2020/01/09 10:40 | Siddhesh Hudekar v Kai Feng Tang | W | 0-2 |
| Italian Int. | 2019/12/13 10:00 | Kalle Koljonen v Luis Enrique Penalver | L | 0-2 |
| Scottish Open | 2019/11/21 20:20 | Kalle Koljonen v Jason Anthony Ho-Shue | L | 0-2 |
| Hungarian Int. | 2019/11/01 12:00 | Kalle Koljonen v Sergey Sirant | L | 1-2 |
| Hungarian Int. | 2019/10/31 12:40 | Kalle Koljonen v Fabio Caponio | W | 2-0 |
| Dutch Open | 2019/10/08 14:20 | Raul Must v Kalle Koljonen | L | 2-0 |
| Kharkiv Int. | 2019/09/06 08:30 | Joran Kweekel v Kalle Koljonen | L | 2-0 |
| Majstrovstvá sveta | 2019/08/19 09:00 | Kenta Nishimoto v Kalle Koljonen | L | 2-0 |
| Hyderabad Open | 2019/08/09 11:30 | Kwang Hee Heo v Kalle Koljonen | L | 2-0 |