Head to Head
| German Open | 2019/10/10 14:40 | Kenta Matsudaira v Koki Niwa | W | 1-4 |
| Qatar Open XD | 2016/11/12 12:00 | Koki Niwa v Kenta Matsudaira | L | 1-4 |
Home History
| Japan T League | 2020/12/16 07:30 | Koki Niwa v Shunsuke Togami | L | 0-3 |
| Japan T League | 2020/12/15 08:00 | Jun Mizutani v Koki Niwa | W | 1-3 |
| Japan T League | 2020/12/11 01:00 | Koki Niwa v Shunsuke Togami | L | 0-3 |
| Japan T League | 2020/12/10 04:30 | Hiroto Shinozuka v Koki Niwa | W | 1-3 |
| ITTF Finals | 2020/11/20 04:30 | Gaoyuan Lin v Koki Niwa | L | 4-0 |
| World Cup | 2020/11/14 05:15 | Koki Niwa v Woojin Jang | L | 3-4 |
| Qatar Open | 2020/03/06 16:00 | Koki Niwa v Xin Xu | L | 0-4 |
| Qatar Open | 2020/03/05 16:50 | Koki Niwa v Emmanuel Lebesson | W | 4-1 |
Away History
| Japan T League | 2020/02/11 03:30 | Yuto Kizukuri v Kenta Matsudaira | W | 2-3 |
| Japan T League | 2020/02/09 04:30 | Tomokazu Harimoto v Kenta Matsudaira | L | 3-1 |
| Japan T League | 2020/01/26 06:30 | Kenta Matsudaira v Kazuhiro Yoshimura | L | 2-3 |
| Japan T League | 2019/11/24 04:00 | Marcos Freitas v Kenta Matsudaira | L | 3-1 |
| German Open | 2019/10/10 14:40 | Kenta Matsudaira v Koki Niwa | L | 1-4 |
| German Open | 2019/10/09 17:55 | Kenta Matsudaira v Tomislav Pucar | W | 4-0 |
| German Open | 2019/10/08 09:30 | Kenta Matsudaira v Zhe Yu Clarence Chew | W | 4-2 |
| Japan T League | 2019/09/10 11:00 | Kenta Matsudaira v Hou Yingchao | W | 3-2 |
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