| Singapore Open | 2022/07/14 05:20 | Li, S. F. v Koki Watanabe | L | 2-0 |
| Canada Open | 2019/07/06 21:30 | Koki Watanabe v Li, S. F. | L | 1-2 |
| Orléans Masters | 2019/03/23 14:30 | Koki Watanabe v Li, S. F. | W | 2-0 |
| Canada Open | 2023/07/06 18:10 | Arnaud Merkle v Koki Watanabe | W | 1-2 |
| Canada Open | 2023/07/05 16:10 | Nhat Nguyen v Koki Watanabe | W | 0-2 |
| Orléans Masters | 2023/04/06 16:00 | Jun Hao Leong v Koki Watanabe | L | 2-0 |
| Orléans Masters | 2023/04/05 15:40 | Koki Watanabe v Kanta Tsuneyama | W | 2-1 |
| Masters d'Espagne | 2023/03/31 12:25 | Koki Watanabe v Anders Antonsen | L | 0-2 |
| Masters d'Espagne | 2023/03/30 09:30 | Christo Popov v Koki Watanabe | W | 0-2 |
| Masters d'Espagne | 2023/03/29 15:15 | Koki Watanabe v Tzu Wei Wang | W | 2-1 |
| Open de Suisse | 2023/03/26 12:40 | Tien Chen Chou v Koki Watanabe | W | 1-2 |
| Canada Open | 2023/07/06 18:10 | Li, S. F. v Fabian Roth | W | 2-0 |
| Canada Open | 2023/07/05 16:50 | Li, S. F. v Hans-Kristian Vittinghus | W | 2-1 |
| Indonesia Open | 2023/06/17 14:45 | Li, S. F. v Anthony Sinisuka Ginting | L | 0-2 |
| Indonesia Open | 2023/06/16 09:05 | Srikanth Kidambi v Li, S. F. | W | 1-2 |
| Indonesia Open | 2023/06/15 02:00 | Li, S. F. v Kean Yew Loh | W | 2-0 |
| Indonesia Open | 2023/06/14 02:10 | Cheuk Yiu Lee v Li, S. F. | W | 1-2 |
| Singapore Open | 2023/06/09 11:25 | Li, S. F. v Anthony Sinisuka Ginting | L | 1-2 |
| Singapore Open | 2023/06/08 08:20 | Li, S. F. v Weng, H. Y. | W | 2-1 |