Home History
| WTT - Contender - Almati | 2022/09/16 11:30 | Koki Niwa v Yuanyu Chen | L | 1-3 |
| WTT - Contender - Almati | 2022/09/15 13:45 | Koki Niwa v Cheng-Ting Liao | W | 3-1 |
| WTT - Contender - Mascate | 2022/09/07 15:30 | Benedikt Duda v Koki Niwa | L | 3-2 |
| WTT - Contender - Tunes | 2022/08/04 15:00 | Gaoyuan Lin v Koki Niwa | L | 3-0 |
| WTT - Contender - Tunes | 2022/08/03 15:30 | Koki Niwa v Jaehyun An | W | 3-1 |
| WTT - Contender - Tunes - Qualificação | 2022/08/02 18:30 | Wen Sun v Koki Niwa | W | 1-3 |
| WTT - Contender - Tunes - Qualificação | 2022/08/02 14:00 | Yuta Tanaka v Koki Niwa | W | 1-3 |
| WTT Star Contender Budapest Quals | 2022/07/11 10:40 | Cheng-Ting Liao v Koki Niwa | L | 3-2 |