| Orleans Masters | 2023/04/05 15:40 | Koki Watanabe v Kanta Tsuneyama | W | 2-1 |
| Indonesia Masters - Mixed dubbel | 2017/07/14 22:40 | Koki Watanabe v Kanta Tsuneyama | L | 0-2 |
| Japan Masters | 2023/11/17 03:25 | Tien Chen Chou v Koki Watanabe | L | 2-0 |
| Japan Masters | 2023/11/16 05:45 | Koki Watanabe v Hongyang Weng | W | 2-1 |
| Japan Masters | 2023/11/15 10:20 | Koki Watanabe v Magnus Johannesen | W | 2-0 |
| Korea Masters | 2023/11/12 05:15 | Koki Watanabe v Kento Momota | L | 0-2 |
| Korea Masters | 2023/11/11 03:40 | Tzu Wei Wang v Koki Watanabe | W | 0-2 |
| Korea Masters | 2023/11/10 03:20 | Chun-Yi Lin v Koki Watanabe | W | 0-2 |
| Korea Masters | 2023/11/09 03:05 | Koki Watanabe v Takuma Obayashi | W | 2-1 |
| Korea Masters | 2023/11/08 04:35 | Koki Watanabe v Alwi Farhan | W | 2-1 |
| Japan Masters | 2023/11/15 08:35 | Tien Chen Chou v Kanta Tsuneyama | L | 2-0 |
| Denmark Open | 2023/10/18 12:10 | Chun-Yi Lin v Kanta Tsuneyama | L | 2-1 |
| Arctic Open | 2023/10/14 11:10 | Tze Yong Ng v Kanta Tsuneyama | L | 2-0 |
| Arctic Open | 2023/10/13 12:15 | Kanta Tsuneyama v Lanxi Lei | W | 2-0 |
| Arctic Open | 2023/10/12 13:00 | Srikanth Kidambi v Kanta Tsuneyama | W | 0-2 |
| Arctic Open | 2023/10/11 16:20 | Shesar Hiren Rhustavito v Kanta Tsuneyama | W | 0-2 |
| Hong Kong Open | 2023/09/14 05:00 | Tze Yong Ng v Kanta Tsuneyama | L | 2-0 |
| Hong Kong Open | 2023/09/13 03:25 | Kanta Tsuneyama v Priyanshu Rajawat | W | 2-0 |