Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Tianjin | 2023/07/02 02:00 | Wai Yu Kai v Jianhao Sheng | 6-4,6-4 |
| ITF M15 Tianjin | 2023/06/12 03:45 | Yanjie Zheng v Wai Yu Kai | 7-6,4-6,10-1 |
| ITF M15 Tianjin | 2023/06/11 01:00 | Shaoyun Liu v Wai Yu Kai | 3-6,2-6 |
| Davis Cup | 2020/03/07 14:45 | Maks Kasnikowski v Wai Yu Kai | 1-6,6-2,10-3 |
| ITF M15 Monastir | 2020/02/25 10:15 | Nino Ehrenschneider v Wai Yu Kai | 6-4,6-1 |
| ITF M15 Monastir | 2020/02/18 09:00 | Wai Yu Kai v Quentin Folliot | 1-6,1-6 |
| ITF M15 Monastir | 2020/02/10 08:30 | Stefan Palosi v Wai Yu Kai | 6-4,6-4 |
| ITF M15 Monastir | 2020/02/09 08:00 | Jing L Weng v Wai Yu Kai | 1-6,2-6 |
| ITF M25 Nakhon Si Thammarat | 2023/06/14 05:50 | Natthasith Kunsuwan v Pruchya Isarow | 1-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/06/05 05:10 | Ryotaro Taguchi v Natthasith Kunsuwan | 6-0,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/06/01 02:00 | Natthasith Kunsuwan v Orel Kimhi | 3-6,3-6 |
| ITF M15 Singapore | 2023/04/05 11:05 | Ray Ho v Natthasith Kunsuwan | 6-3,6-4 |
| ITF M15 Singapore | 2023/04/03 08:00 | Ha Minh Duc Vu v Natthasith Kunsuwan | 0-6,4-6 |
| ITF M15 Singapore | 2023/04/02 01:55 | Adam Hobbs v Natthasith Kunsuwan | 0-6,3-6 |
| Challenger Nonthaburi | 2023/01/01 06:35 | Natthasith Kunsuwan v Evgeny Donskoy | 3-6,3-6 |
| ITF M15 Al Zahra | 2022/11/02 08:25 | Edouard Villoslada v Natthasith Kunsuwan | 6-0,6-4 |