Ground: Hardcourt outdoor
| ITF M15 Changwon | 2022/08/21 03:30 | Chan-Yeong Oh v Suk Hyun Choo | 6-2,3-6,7-10 |
| ITF M15 Tsukuba | 2025/03/27 01:00 | Chan-Yeong Oh v Hikaru Shiraishi | 3-6,0-6 |
| ITF M15 Nishi-Tokyo | 2025/03/19 02:30 | Shunsuke Nakagawa v Chan-Yeong Oh | 6-3,6-4 |
| ITF M15 Hinode | 2025/03/14 01:00 | Chan-Yeong Oh v Takuya Kumasaka | 2-6,6-4,4-6 |
| ITF M15 Hinode | 2025/03/13 01:00 | Junhyun Lee v Chan-Yeong Oh | 3-6,1-6 |
| ITF M15 Hinode | 2025/03/11 02:30 | Seungmin Park v Chan-Yeong Oh | 6-4,4-6,6-7 |
| ITF M25 Bali | 2025/01/02 02:15 | Shunsuke Nakagawa v Chan-Yeong Oh | 7-6,4-6,7-6 |
| ITF M25 Bali | 2024/12/31 01:30 | Abel Forger v Chan-Yeong Oh | 4-6,1-2 |
| ITF M15 Bali | 2024/12/23 02:50 | Chan-Yeong Oh v Jumpei Yamasaki | 4-6,1-6 |
| ITF M15 Luan | 2025/04/09 03:30 | Colin Sinclair v Suk Hyun Choo | 6-3,6-4 |
| ITF M15 Nonthaburi | 2025/03/24 04:30 | Uisung Park v Suk Hyun Choo | 6-3,6-1 |
| ITF M15 Nonthaburi Qual | 2025/03/23 06:00 | Suk Hyun Choo v Yunseok Jang | 6-0,6-3 |
| ITF M15 Nonthaburi | 2025/03/09 08:00 | Suk Hyun Choo v Daniil Sarksian | 4-6,6-3,0-1 |
| ITF M25 Nakhon Si Thammarat | 2024/08/25 07:45 | Loic N Tenguere v Suk Hyun Choo | 6-3,3-6,11-9 |
| ITF M15 Nakhon Si Thammarat | 2024/08/22 07:30 | Kasidit Samrej v Suk Hyun Choo | 6-3,6-4 |
| ITF M15 Nakhon Si Thammarat | 2024/08/21 06:20 | Weitao Xu v Suk Hyun Choo | 6-3,6-7,0-6 |
| ITF M15 Nakhon Si Thammarat | 2024/08/19 03:35 | Suk Hyun Choo v Teerapat Khantiweerawat | 6-1,6-4 |