Head to Head
| India Open | 2024/01/18 06:25 | Shifeng Li v Koki Watanabe | L | 1-2 |
| Canada Open | 2023/07/07 21:20 | Koki Watanabe v Shifeng Li | W | 1-2 |
| Singapore Open | 2022/07/14 05:20 | Shifeng Li v Koki Watanabe | W | 2-0 |
| Canada Open | 2019/07/06 21:30 | Koki Watanabe v Shifeng Li | W | 1-2 |
| Orleans Masters | 2019/03/23 14:30 | Koki Watanabe v Shifeng Li | L | 2-0 |