Stadion: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 - Anseong | 2023/06/18 07:05 | Byeonghun Kim v David Kim | 7-6,2-6,10-8 |
| ITF - M25 - Changwon | 2023/06/11 06:50 | Tae-Woo Lee v David Kim | 6-4,6-3 |
| ITF - M15 - Antalya | 2023/03/27 07:00 | David Kim v Manuel Plunger | 3-6,2-6 |
| ITF - M15 - Antalya | 2023/03/19 07:00 | Mehdi Sadaoui v David Kim | 6-3,6-2 |
| ITF - M25 - Madrid | 2022/09/11 07:00 | David Kim v Renan Perdigao | 2-6,4-6 |
| ITF - M15 - Monastir | 2022/06/05 11:00 | Xiaofei Wang v David Kim | 6-2,6-1 |
| ITF - M15 - Antalya | 2022/05/23 11:30 | David Kim v Cihan Akay | 3-6,3-6 |
| ITF - M15 - Antalya | 2022/05/22 07:00 | Deniz Temel v David Kim | 3-6,6-1,6-10 |
| ITF - M15 - Shanghai | 2023/07/11 01:55 | Zhenxiong Dong v Wai Yu Kai | 7-6,6-0 |
| ITF - M15 - Shanghai | 2023/07/10 02:00 | Wai Yu Kai v Yutong Su | 6-1,6-2 |
| ITF - M15 - Shanghai | 2023/07/09 02:00 | Ying-Ze Chen v Wai Yu Kai | 2-6,4-6 |
| ITF - M15 - Tianjin | 2023/07/03 01:00 | Wai Yu Kai v Natthasith Kunsuwan | 2-6,2-6 |
| 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 | 0-2 |
| Davis Cup | 2020/03/07 14:45 | Maks Kasnikowski v Wai Yu Kai | 1-6,6-2,10-3 |