| Osaka Int. | 2019/04/04 01:20 | Ren, P. B. v Koga, Minoru | L | 2-0 |
| Tong Yun Kai Cup | 2019/03/21 12:00 | Koga, Minoru v Ka Long Angus NG | L | 1-2 |
| Giraldilla Int. XD | 2019/02/24 07:00 | Koga, Minoru v Kodai Naraoka | L | 0-2 |
| Giraldilla Int. XD | 2019/02/23 07:20 | Koga, Minoru v Leelavechabutr, Kantawat | W | 2-0 |
| Giraldilla Int. XD | 2019/02/22 06:40 | Koga, Minoru v Chong, Yee Han | W | 2-1 |
| Giraldilla Int. XD | 2019/02/21 06:10 | Koga, Minoru v Chotphinit, Phakorn | W | 2-0 |
| Open de Suède | 2019/01/20 12:00 | Koga, Minoru v Kean Yew Loh | W | 2-0 |
| Open de Suède | 2019/01/19 17:00 | Koga, Minoru v Heino, Eetu | W | 2-0 |
| Finnish Open | 2019/04/06 08:00 | Chun-Yi Lin v Sirant, Sergey | L | 2-0 |
| Orléans Masters | 2019/03/19 19:20 | Sirant, Sergey v Lane, Alex | L | 0-2 |
| Estonie Int. - | 2019/01/12 09:00 | Sirant, Sergey v Arnaud Merkle | L | 0-2 |
| Giraldilla Int. XD | 2018/12/14 16:00 | Sirant, Sergey v Nhat Nguyen | L | 0-2 |
| Giraldilla Int. XD | 2018/11/21 08:00 | Sai Praneeth, B. v Sirant, Sergey | L | 2-0 |
| Giraldilla Int. XD | 2018/08/08 10:25 | Xiaodong Sheng v Sirant, Sergey | L | 2-0 |
| Giraldilla Int. XD | 2018/08/08 01:30 | Hadmadi, Fikri Ihsandi v Sirant, Sergey | W | 0-2 |
| Open d'Angleterre | 2018/08/01 02:50 | Kenta Nishimoto v Sirant, Sergey | L | 2-0 |