| Campeonato da Ásia | 04/10 11:00 | 5 | Koki Watanabe v Cheuk Yiu Lee | L | 0-2 | |
| Open da Suíça | 03/20 16:30 | 5 | Alex Lanier v Koki Watanabe | L | 2-1 | |
| All England Open | 03/15 12:35 | 3 | Koki Watanabe v Christo Popov | L | 0-2 | |
| All England Open | 03/14 10:55 | 4 | Toma Junior Popov v Koki Watanabe | W | 0-2 | |
| All England Open | 03/12 10:45 | 5 | Koki Watanabe v Tzu Wei Wang | W | 2-0 | |
| Open de França | 03/05 13:55 | 5 | Shi Feng Li v Koki Watanabe | L | 2-0 | |
| Open da Índia | 01/19 12:05 | 3 | Koki Watanabe v Yu Qi Shi | L | 0-2 | |
| Open da Índia | 01/18 06:25 | 4 | Shi Feng Li v Koki Watanabe | W | 1-2 | |
| Open da Índia | 01/18 04:30 | 5 | Tze Yong Ng v Koki Watanabe | - | CANC | |
| Open da Índia | 01/16 04:15 | 5 | Chia Hao Lee v Koki Watanabe | W | 1-2 | |
| Open da Malásia | 01/11 06:25 | 4 | Koki Watanabe v Anders Antonsen | L | 0-2 | |
| Open da Malásia | 01/10 05:35 | 5 | Tze Yong Ng v Koki Watanabe | D | Retired |