| Akita Masters 2019, MS | 2019/08/14 02:10 | Koki Watanabe v Koga, Minoru | W | 2-0 |
| US Open 2019, MS | 2019/07/11 22:00 | Lee, Dong Keun v Koki Watanabe | L | 2-1 |
| US Open 2019, MS | 2019/07/10 22:10 | Svendsen, Victor v Koki Watanabe | W | 0-2 |
| Canada Open | 2019/07/06 21:30 | Koki Watanabe v Li, S. F. | L | 1-2 |
| Canada Open | 2019/07/05 22:00 | Ouseph, Rajiv v Koki Watanabe | W | 0-2 |
| Canada Open | 2019/07/04 21:55 | Lei, L. X. v Koki Watanabe | W | 1-2 |
| Canada Open | 2019/07/03 19:00 | Koki Watanabe v H.S. Prannoy | W | 2-0 |
| Canada Open | 2019/07/03 00:50 | Koki Watanabe v Ho-Shue, Jason Anthony | W | 2-0 |
| Akita Masters 2019, MS | 2019/08/14 02:50 | Thongnuam, Pannawit v Mainaky, Yehezkiel Fritz | W | 2-0 |
| Hyderabad Open 2019, MS | 2019/08/06 14:10 | Thongnuam, Pannawit v Namkul, Adulrach | L | 0-2 |
| Malaysia Int. | 2019/06/18 06:35 | Thongnuam, Pannawit v Karono, Karono | L | 1-2 |
| Masters de Thaïlande | 2019/01/10 08:45 | June Wei Cheam v Thongnuam, Pannawit | L | 2-1 |
| Masters de Thaïlande | 2019/01/09 03:20 | Rouxel, Thomas v Thongnuam, Pannawit | W | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/01/08 02:00 | Ren, P. B. v Thongnuam, Pannawit | W | 0-2 |
| Giraldilla Int. XD | 2018/08/08 07:40 | Thongnuam, Pannawit v Lin, Yu Hsien | L | 0-2 |
| Indonesia Masters XD | 2018/07/19 08:00 | Thongnuam, Pannawit v Chong, Wei Feng | L | 0-2 |