Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF M25 Hong Kong Qual | 2023/09/04 02:00 | Bang Shuo Yin v Kim, Young Seok | 6-3,4-6,2-10 |
| ITF M25 Hong Kong Qual | 2023/09/03 02:00 | Geiwald, Douglas v Kim, Young Seok | 1-6,1-6 |
| Hong Kong, Simples M-ITF-HKG-04A | 2023/08/27 04:30 | Barki, Justin v Kim, Young Seok | 6-3,6-3 |
| ITF M25 Jakarta | 2023/08/07 03:00 | Rishi Reddy v Kim, Young Seok | 5-7,2-6 |
| ITF M25 Jakarta | 2023/08/06 02:55 | Aldhito R Dwi Kurniawan v Kim, Young Seok | 2-6,2-6 |
| ITF M25 Anseong | 2023/06/21 05:30 | Jangjun Kim v Kim, Young Seok | 6-3,4-6,7-6 |
| ITF M25 Anseong | 2023/06/19 06:50 | Kim, Young Seok v Kenta Nakamura | 6-0,6-2 |
| ITF M25 Anseong | 2023/06/19 02:55 | Kim, Young Seok v Kim, Byeonghun | 6-0,6-1 |
| Challenger Mallorca | 2023/08/29 12:00 | Coleman Wong v Nick Hardt | 3-6,6-3,4-6 |
| ITF - M15 Monastir | 2023/08/24 11:20 | Coleman Wong v Seydina Andre | 3-6,1-6 |
| ITF - M15 Monastir | 2023/08/23 10:35 | Coleman Wong v Aleksandr Lobanov | 6-3,6-4 |
| ITF M25 Fuzhou | 2023/07/21 07:55 | Ye Cong Mo v Coleman Wong | 6-4,6-1 |
| ITF M25 Fuzhou | 2023/07/18 03:25 | Zhenxiong Dong v Coleman Wong | 2-6,4-6 |
| ITF M25 Roda de Bara | 2023/07/12 08:30 | Coleman Wong v Alibek Kachmazov | 3-6,1-6 |
| ITF - M15 Monastir | 2023/07/08 08:30 | Kalman Boyd v Coleman Wong | 6-4,4-6,6-4 |
| ITF - M15 Monastir | 2023/07/07 11:05 | Coleman Wong v Gabriele Bosio | 6-3,6-3 |