Head to Head
| Azerbaijan Int. | 2019/06/07 13:30 | Kalle Koljonen v Sergey Sirant | W | 2-0 |
Home History
| Kharkiv Int. | 2019/09/06 08:30 | Joran Kweekel v Kalle Koljonen | L | 2-0 |
| World Championships | 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 |
| Hyderabad Open | 2019/08/08 06:30 | Shesar Hiren Rhustavito v Kalle Koljonen | W | 0-2 |
| Hyderabad Open | 2019/08/07 05:30 | Kalle Koljonen v Andre Marteen | W | 2-1 |
| White Nights | 2019/07/13 13:30 | Kalle Koljonen v Iskandar Zulkarnain | L | 1-2 |
| White Nights | 2019/07/13 07:30 | Kiran George v Kalle Koljonen | W | 1-2 |
| White Nights | 2019/07/12 15:45 | Nhat Nguyen v Kalle Koljonen | W | 1-2 |
Away History
| World Championships | 2019/08/19 16:00 | Thomas Rouxel v Sergey Sirant | L | 2-0 |
| Russia Open | 2019/07/17 01:20 | Siril Verma v Sergey Sirant | L | 2-1 |
| White Nights | 2019/07/12 09:00 | Sergey Sirant v Max Weisskirchen | L | 0-2 |
| Spanish Int. | 2019/06/13 12:00 | Sergey Sirant v Toma Junior Popov | L | 1-2 |
| Azerbaijan Int. | 2019/06/07 13:30 | Kalle Koljonen v Sergey Sirant | L | 2-0 |
| Denmark Int. | 2019/05/11 09:00 | Subhankar Dey v Sergey Sirant | L | 2-0 |
| Denmark Int. | 2019/05/10 16:30 | Minoru Koga v Sergey Sirant | W | 1-2 |
| Finnish Open | 2019/04/06 08:00 | Chun-Yi Lin v Sergey Sirant | L | 2-0 |