| Date | R | Casa v Visitante | - | |
|---|---|---|---|---|
| 03/29 15:30 | 4 | Patrick Franziska v Koki Niwa | L | 4-3 |
| 03/28 14:35 | 5 | Maharu Yoshimura v Koki Niwa | W | 2-4 |
| 12/14 07:05 | 4 | Koki Niwa v Zhendong Fan | L | 0-4 |
| 11/10 11:40 | 3 | Zhendong Fan v Koki Niwa | L | 4-1 |
| 11/09 13:20 | 4 | Koki Niwa v Kazuhiro Yoshimura | W | 4-0 |
| 11/08 15:20 | 5 | Koki Niwa v Qihao Zhou | W | 4-2 |
| 10/20 17:45 | 3 | Koki Niwa v Gaoyuan Lin | L | 1-4 |
| 10/20 09:30 | 4 | Koki Niwa v Jonathan Groth | W | 4-1 |
| 08/23 14:00 | 5 | Mizuki Oikawa v Koki Niwa | L | 4-1 |
| 07/19 09:40 | 5 | Koki Niwa v Sangeun Jeong | L | 2-4 |
| 06/08 04:30 | 5 | Koki Niwa v Kazuhiro Yoshimura | L | 2-4 |
| 05/03 12:00 | 1 | Siu Hang Lam v Koki Niwa | W | 0-3 |
| 04/30 18:00 | 1 | Koki Niwa v Samuel Walker | L | 0-3 |
| 04/30 08:30 | 1 | Pavel Platonov v Koki Niwa | W | 2-3 |
| 04/29 15:00 | 1 | Cedric Nuytinck v Koki Niwa | W | 0-3 |
| 02/25 16:00 | 1 | Long Ma v Koki Niwa | L | 3-1 |
| 12/15 08:40 | 4 | Dimitrij Ovtcharov v Koki Niwa | L | 4-3 |
| 10/21 16:30 | 3 | Long Ma v Koki Niwa | L | 4-1 |
| 10/21 10:00 | 4 | Sangsu Lee v Koki Niwa | W | 2-4 |
| 06/04 17:00 | 3 | Koki Niwa v Zhendong Fan | L | 1-4 |
| 06/04 09:00 | 4 | Dimitrij Ovtcharov v Koki Niwa | W | 3-4 |
| 06/02 16:30 | 5 | Jonathan Groth v Koki Niwa | W | 2-4 |
| 06/01 13:15 | 6 | Ning Gao v Koki Niwa | W | 3-4 |
| 05/31 14:00 | 57 | Andreas Levenko v Koki Niwa | W | 0-4 |
| 04/14 11:00 | 1 | Koki Niwa v Ning Gao | W | 3-1 |
| 02/25 13:43 | - | Chih-Yuan Chuan v Koki Niwa | L | 4-2 |
| 02/18 14:15 | 2 | Dimitrij Ovtcharov v Koki Niwa | L | 4-3 |
| 02/18 05:30 | 3 | Tianyi Jiang v Koki Niwa | W | 1-4 |
| 02/17 09:45 | 4 | Harmeet Desai v Koki Niwa | W | 1-4 |
| 02/16 11:15 | 5 | Amalraj Anthony v Koki Niwa | W | 0-4 |