Head to Head
| All England Open | 2024/03/12 10:45 | Koki Watanabe v Tzu Wei Wang | W | 2-0 |
| Korea Masters | 2023/11/11 03:40 | Tzu Wei Wang v Koki Watanabe | W | 0-2 |
| Arctic Open | 2023/10/11 12:20 | Tzu Wei Wang v Koki Watanabe | W | 1-2 |
| Spain Masters | 2023/03/29 15:15 | Koki Watanabe v Tzu Wei Wang | W | 2-1 |
Home History
| China Open | 2024/09/17 05:10 | Zii Jia Lee v Koki Watanabe | W | 0-2 |
| Japan Open | 2024/08/20 00:50 | Chun-Yi Lin v Koki Watanabe | L | 2-0 |
| Canada Open | 2024/07/07 20:20 | Alex Lanier v Koki Watanabe | W | 1-2 |
| Canada Open | 2024/07/06 18:00 | Yushi Tanaka v Koki Watanabe | W | 0-2 |
| Canada Open | 2024/07/05 17:45 | Koki Watanabe v Kodai Naraoka | W | 2-1 |
| Canada Open | 2024/07/04 20:20 | Kantaphon Wangcharoen v Koki Watanabe | W | 0-2 |
| Canada Open | 2024/07/03 23:15 | Ayush Shetty v Koki Watanabe | W | 0-2 |
| US Open | 2024/06/29 21:05 | Lanxi Lei v Koki Watanabe | L | 2-0 |
Away History
| China Open | 2024/09/17 01:00 | Tzu Wei Wang v Christo Popov | W | 2-1 |
| Hong Kong Open | 2024/09/11 11:00 | Jonatan Christie v Tzu Wei Wang | L | 2-0 |
| Taipei Open | 2024/09/06 09:10 | Tzu Wei Wang v Yu Jen Chi | L | 0-2 |
| Taipei Open | 2024/09/05 04:45 | Tzu Wei Wang v Jason Gunawan | W | 2-0 |
| Taipei Open | 2024/09/04 07:35 | Tzu Wei Wang v Yin Chak Chan | W | 2-1 |
| Japan Open | 2024/08/23 01:55 | Tzu Wei Wang v Kodai Naraoka | L | 1-2 |
| Japan Open | 2024/08/22 03:00 | Kanta Tsuneyama v Tzu Wei Wang | W | 1-2 |
| Japan Open | 2024/08/21 00:00 | Tzu Wei Wang v Kean Yew Loh | W | 2-0 |