Home History
| Swiss Open | 2023/03/24 13:00 | Cheuk Yiu Lee v Koki Watanabe | W | 0-2 |
| Swiss Open | 2023/03/23 14:15 | Toma Junior Popov v Koki Watanabe | W | 1-2 |
| Swiss Open | 2023/03/22 13:40 | Sitthikom Thammasin v Koki Watanabe | W | 0-2 |
| Thailand Masters | 2023/02/02 06:00 | Koki Watanabe v Yuqi Shi | L | 1-2 |
| Thailand Masters | 2023/02/01 03:00 | Brian Yang v Koki Watanabe | W | 0-2 |
| Indonesian Masters Qual | 2023/01/24 01:20 | Koki Watanabe v June Wei Cheam | L | 1-2 |
| Australian Open | 2022/11/18 06:00 | Koki Watanabe v Kodai Naraoka | L | 1-2 |
| Australian Open | 2022/11/17 03:00 | Koki Watanabe v Kenta Nishimoto | W | 2-0 |
Away History
| Swiss Open | 2023/03/24 14:35 | Chia Hao Lee v Zii Jia Lee | W | 0-2 |
| Swiss Open | 2023/03/23 12:05 | Nhat Nguyen v Zii Jia Lee | W | 0-2 |
| Swiss Open | 2023/03/22 13:05 | Shifeng Li v Zii Jia Lee | W | 1-2 |
| All England Open | 2023/03/18 14:15 | Zii Jia Lee v Yuqi Shi | L | 0-2 |
| All England Open | 2023/03/17 13:30 | Kodai Naraoka v Zii Jia Lee | W | 1-2 |
| All England Open | 2023/03/16 18:55 | Kenta Nishimoto v Zii Jia Lee | W | 0-2 |
| All England Open | 2023/03/15 10:00 | Sitthikom Thammasin v Zii Jia Lee | W | 0-2 |
| German Open | 2023/03/09 12:55 | Zii Jia Lee v Chia Hao Lee | L | 1-2 |