| German Open - Qualifikation | 2023/03/07 08:00 | Jan Louda v Kalle Koljonen | L | 2-1 |
| Estonian International | 2023/01/14 08:20 | Kalle Koljonen v Justin Hoh | L | 1-2 |
| Estonian International | 2023/01/13 15:00 | Kalle Koljonen v Samuel Hsiao | W | 2-0 |
| Estonian International | 2023/01/13 08:30 | Kalle Koljonen v Kiran Kumar Mekala | W | 2-0 |
| Europameisterschaft - Mixed Team | 2022/12/18 08:20 | Daniel Nikolov v Kalle Koljonen | L | 2-0 |
| Europameisterschaft - Mixed Team | 2022/12/17 08:20 | Wolfgang Gnedt v Kalle Koljonen | W | 0-2 |
| Dutch Open | 2022/10/13 09:00 | Arnaud Merkle v Kalle Koljonen | L | 2-1 |
| Weltmeisterschaft | 2022/08/22 02:00 | Rasmus Gemke v Kalle Koljonen | L | 2-0 |
| Portugal International | 2023/03/10 13:15 | Aria Dinata v Harshit Aggarwal | L | 2-0 |
| Uganda Int. | 2023/02/23 07:00 | Harshit Aggarwal v Ken Yon Ong | L | 0-2 |
| Vietnam Open | 2022/09/29 08:30 | Harshit Aggarwal v Kodai Naraoka | L | 0-2 |
| Vietnam Open | 2022/09/28 07:25 | Harshit Aggarwal v Batdavaa Munkhbat | W | 2-0 |
| Nantes Int. - Qualifikation | 2022/06/23 09:20 | Harshit Aggarwal v Syabda Perkasa Belawa | L | 0-2 |
| Austrian Open | 2022/05/27 09:30 | Chia Hao Lee v Harshit Aggarwal | L | 2-1 |
| Slovenia Int. | 2022/05/20 14:20 | Harshit Aggarwal v Kuan-Ting Lin | L | 0-2 |
| Slovenia Int. | 2022/05/20 07:40 | Harshit Aggarwal v Jason Gunawan | W | 2-1 |