Stadium: Court 2 Round: 166 Ground: Hardcourt outdoor
| Challenger Busan | 2019/05/07 02:00 | Liam Broady v Zihao Xia | 7-5,6-1 |
| Challenger Busan | 2019/05/06 02:00 | Zihao Xia v Jung Ho Shin | 6-3,6-3 |
| Challenger Seoul | 2019/04/30 02:00 | Zihao Xia v Saketh Myneni | 4-6,1-6 |
| Challenger Seoul | 2019/04/29 02:00 | Zihao Xia v Jacob Grills | 3-6,7-6,3-6 |
| Challenger Nanchang | 2019/04/23 03:00 | Zihao Xia v Teymuraz Gabashvili | 2-6,5-7 |
| Challenger Anning | 2019/04/15 06:20 | Zihao Xia v Goncalo Oliveira | 2-6,0-6 |
| Challenger Zhangjiagang | 2019/03/19 04:40 | Zihao Xia v James Duckworth | 0-6,3-6 |
| Challenger Zhangjiagang | 2019/03/18 03:10 | Zihao Xia v Tak Khunn Wang | 1-6,7-6,6-3 |
| Challenger Seoul | 2019/04/29 03:30 | Shintaro Imai v Hong Chung | 6-1,6-3 |
| ITF Korea F6 | 2018/08/29 03:00 | Young Seok Kim v Hong Chung | 6-4,5-7,7-5 |
| ITF Korea F5 | 2018/08/25 01:00 | Hong Chung v Makoto Ochi | 6-7,3-6 |
| ITF Korea F5 | 2018/08/24 01:15 | Hong Chung v Chan-Yeong Oh | 7-5,6-1 |
| ITF Korea F5 | 2018/08/22 02:00 | Oh-Hee Kwon v Hong Chung | 3-6,1-6 |
| ITF Korea F5 | 2018/08/21 03:00 | Hong Chung v Yeongseok Jeong | 6-1,7-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Hong Chung v Jae Won Yun | 6-4,6-3 |
| Challenger Gwangju | 2018/08/14 06:30 | Duckhee Lee v Hong Chung | 7-6,6-2 |