Head to Head
| Qatar Open Women | 2019/03/28 14:35 | Maharu Yoshimura v Koki Niwa | W | 2-4 |
Home History
| Japan T League | 2021/12/26 10:00 | Koki Niwa v Masataka Morizono | W | 3-1 |
| World Championship | 2021/11/24 21:20 | Koki Niwa v Daniel Habesohn | L | 2-4 |
| World Championship | 2021/11/24 02:00 | Koki Niwa v Nandor Ecseki | W | 4-0 |
| Japan T League | 2021/10/24 09:00 | Tomokazu Harimoto v Koki Niwa | L | 3-0 |
| Japan T League | 2021/10/23 06:00 | Tomokazu Harimoto v Koki Niwa | L | 3-0 |
| Japan T League | 2021/09/22 10:00 | Koki Niwa v Mizuki Oikawa | L | 2-3 |
| Olympics 2020 - Team Men | 2021/08/06 03:00 | Youngsik Jeoung v Koki Niwa | L | 3-0 |
| Olympics 2020 - Team Men | 2021/08/04 13:30 | Koki Niwa v Dimitrij Ovtcharov | L | 0-3 |
Away History
| Japan T League | 2021/10/10 04:00 | Masaki Yoshida v Maharu Yoshimura | W | 2-3 |
| Japan T League | 2021/09/23 03:30 | Mizuki Oikawa v Maharu Yoshimura | L | 3-1 |
| Japan T League | 2021/02/26 08:10 | Mizuki Oikawa v Maharu Yoshimura | W | 2-3 |
| Japan T League | 2021/01/30 05:00 | Maharu Yoshimura v Mizuki Oikawa | W | 3-0 |
| Japan T League | 2020/12/24 11:00 | Gnanasekaran Sathiyan v Maharu Yoshimura | W | 0-3 |
| Japan T League | 2020/12/23 07:00 | Maharu Yoshimura v Kakeru Sone | L | 1-3 |
| Japan T League | 2020/12/16 08:30 | Hibiki Tazoe v Maharu Yoshimura | W | 1-3 |
| Japan T League | 2020/12/14 09:10 | Panagiotis Gionis v Maharu Yoshimura | W | 1-3 |