Home History
| Japan T League | 2019/09/06 11:02 | Chien-An Chen v Koki Niwa | W | 2-3 |
| Japan T League | 2019/08/31 09:30 | Koki Niwa v Chien-An Chen | W | 3-0 |
| Czech Open | 2019/08/22 14:20 | Marcos Freitas v Koki Niwa | L | 4-1 |
| Bulgaria Open | 2019/08/15 13:45 | Marcos Freitas v Koki Niwa | L | 4-0 |
| T2 Diamond | 2019/07/19 10:00 | Koki Niwa v Mattias Falck | L | 2-4 |
| Australian Open | 2019/07/11 07:30 | Koki Niwa v Yun-Ju Lin | L | 3-4 |
| Korea Open | 2019/07/04 11:20 | Seungmin Cho v Koki Niwa | L | 4-1 |
| Japan Open | 2019/06/14 04:20 | Kazuhiro Yoshimura v Koki Niwa | L | 4-2 |
Away History
| Paraguay Open | 2019/09/11 20:20 | Kai Zhang v Daniel Gonzalez | L | 3-4 |
| Paraguay Open | 2019/09/11 16:30 | Gaston Alto v Kai Zhang | L | 3-2 |
| Paraguay Open | 2019/09/10 22:45 | Kai Zhang v Daniel Santos | W | 3-1 |
| Paraguay Open | 2019/09/10 16:25 | Kai Zhang v Diego Hermosilla | W | 3-0 |
| Slovenia Open | 2019/05/08 13:40 | Truls Moregard v Kai Zhang | L | 3-1 |
| Slovenia Open | 2019/05/08 09:00 | Siddhesh Pande v Kai Zhang | W | 0-3 |
| Serbia Open | 2019/05/01 14:20 | Vildan Gadiev v Kai Zhang | W | 2-3 |
| Serbia Open | 2019/05/01 08:10 | Abdulaziz Bu Shulaybi v Kai Zhang | L | 3-0 |