Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF Korea F5 | 2018/08/21 03:00 | Hong Chung v Yeongseok Jeong | 6-1,7-6 |
| ITF M25 Anseong | 2023/06/20 02:00 | Keisuke Saitoh v Yeongseok Jeong | 6-7,4-6 |
| ITF M25 Changwon | 2023/06/14 01:00 | Yunseong Chung v Yeongseok Jeong | 6-2,6-2 |
| ITF M25 Daegu | 2023/06/08 02:25 | Geun Jun Kim v Yeongseok Jeong | 6-1,2-6,6-4 |
| ITF M25 Daegu | 2023/06/06 01:05 | Yeongseok Jeong v Yunseok Jang | 7-5,4-6,6-1 |
| ITF M25 Jakarta | 2023/04/21 03:00 | Leo Borg v Yeongseok Jeong | 6-0,6-0 |
| ITF M25 Jakarta | 2023/04/20 03:50 | Yeongseok Jeong v Ray Ho | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Renta Tokuda v Yeongseok Jeong | 6-7,6-3,3-6 |
| ITF M25 Jakarta | 2023/04/18 02:00 | Yeongseok Jeong v Tegar A S Wibowo | 6-2,6-2 |
| ITF M25 Anseong | 2023/06/21 02:00 | Hong Chung v Tae-Woo Lee | 6-2,6-1 |
| ITF M25 Changwon | 2023/06/14 04:00 | Hong Chung v Chan-Yeong Oh | 4-6,5-7 |
| ITF M25 Daegu | 2023/06/07 04:40 | Chan-Yeong Oh v Hong Chung | 2-6,4-6 |
| ITF M15 Sharm El Sheikh | 2022/11/27 08:00 | Hong Chung v Maks Lukman | 6-7,6-7 |
| ITF M15 Sharm El Sheikh | 2022/11/23 13:20 | Hong Chung v Tomas Lanik | 4-6,2-6 |
| Challenger Seoul | 2022/10/13 03:35 | James Duckworth v Hong Chung | 7-6,6-1 |
| ITF M15 Daegu | 2022/08/29 06:00 | Hong Chung v Sanhui Shin | 5-7,3-6 |
| ITF M15 Anseong | 2022/08/17 04:30 | Sora Fukuda v Hong Chung | 6-4,6-2 |