Stadium: Court C Round: 62 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/11 02:30 | Song , Woodam v Kim, Byeonghun | 4-6,1-6 |
| ITF M25 Daegu | 2023/06/05 02:50 | Dong Ju Kim v Kim, Byeonghun | 6-2,6-2 |
| ITF M25 Daegu | 2023/06/04 01:00 | Kim, Byeonghun v Yongchi Bak | 6-1,7-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Jang, Woo Hyeok v Kim, Byeonghun | 6-1,6-2 |
| ITF Korea F4 | 2018/08/11 01:00 | Han, Seong Jae v Kim, Byeonghun | 6-2,4-6,6-3 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Sanhui Shin v Kim, Byeonghun | 6-2,6-0 |
| ITF Korea F2 | 2018/06/09 02:00 | Kim, Byeonghun v Kim, Yu-Seob | 2-6,6-3,1-6 |
| ITF Korea F1 | 2018/06/04 01:00 | Cho, Hyeong Jin v Kim, Byeonghun | 1-6,6-3,7-5 |
| ITF M25 Changwon | 2023/06/11 02:30 | Flaherty, Max v Choo, Suk Hyun | 3-6,3-6 |
| ITF M25 Daegu | 2023/06/07 03:55 | Yunseong Chung v Choo, Suk Hyun | 6-3,6-1 |
| ITF M25 Daegu | 2023/06/05 07:10 | Choo, Suk Hyun v Junsu Kang | 6-3,7-5 |
| ITF M25 Daegu | 2023/06/05 03:30 | Choo, Suk Hyun v Kim, Hangyeom | 6-3,6-2 |
| ITF - M15 Daegu | 2022/08/29 09:30 | Sora Fukuda v Choo, Suk Hyun | 6-4,6-1 |
| ITF - M15 Daegu | 2022/08/29 06:00 | Choo, Suk Hyun v Hong, Seung Heon | 3-6,6-1,10-4 |
| ITF M15 Changwon | 2022/08/24 05:55 | Ajeet Rai v Choo, Suk Hyun | 6-2,6-4 |
| ITF M15 Changwon | 2022/08/22 06:30 | Alexander Babanine v Choo, Suk Hyun | 2-6,4-6 |