Bulgaria Open 2019, MS | 2018/08/16 16:50 | Koki Niwa v Dang Qiu | W | 4-1 |
Qatar Open XD | 2018/07/26 06:30 | Koki Niwa v Zhou, Yu | L | 2-4 |
Qatar Open 2019, MS | 2018/07/19 09:40 | Koki Niwa v Jeong, Sangeun | L | 2-4 |
Qatar Open 2019, MS | 2018/06/08 04:30 | Koki Niwa v Yoshimura, Kazuhiro | L | 2-4 |
République tchèque - Extraleague | 2018/06/02 06:10 | Zhendong Fan v Koki Niwa | L | 4-1 |
République tchèque - Extraleague | 2018/06/01 11:40 | Liam Pitchford v Koki Niwa | W | 3-4 |
République tchèque - Extraleague | 2018/05/31 08:40 | Tokic, Bojan v Koki Niwa | W | 2-4 |
Qatar Open 2019, MS | 2018/05/03 12:00 | Siu Hang Lam v Koki Niwa | W | 0-3 |
Bulgaria Open 2019, MS | 2018/08/16 16:50 | Ovidiu Ionescu v Mattias Falck | W | 1-4 |