Results
| Challenger Matsuyama | 11/04 01:00 | 25 | [465] Philip Sekulic v Hyeon Chung [377] | 6-4,6-3 | |
| Challenger Seoul | 10/27 05:15 | 25 | [156] Hispalis Women v Hyeon Chung [365] | 6-3,6-2 | |
| Challenger Shenzhen | 10/15 03:00 | 26 |
[255] Fajing Sun
v
Hyeon Chung [381] |
6-3,7-6 | |
| Challenger Shenzhen | 10/13 09:00 | 25 |
[381] Hyeon Chung v
Rigele Te
[395] 
|
Retired | |
| Challenger Jinan | 10/06 07:20 | 14 | Xiaofei Wang v Hyeon Chung | 6-2,4-6,6-1 | |
| Davis Cup | 09/13 05:50 | 4 |
[379] Hyeon Chung v
Dmitry Popko
[220] 
|
6-3,7-5 | |
| Davis Cup | 09/13 05:50 | 4 |
Hyeon Chung v
Alexander Bublik
|
CANC | |
| Davis Cup | 09/12 04:00 | 1 |
[379] Hyeon Chung v
FK Renova
[97] 
|
4-6,3-6 | |
| ITF M25 Taipei | 08/20 02:00 | - | Hyeon Chung v Alafia Ayeni | View | |
| Challenger Bloomfield Hills | 07/20 19:10 | 14 | Spencer Johnson v Hyeon Chung | 7-5,6-1 | |
| Challenger Granby | 07/13 19:45 | 14 | Hyeon Chung v Alexander Rozin | 6-7,3-6 | |
| Challenger Winnipeg | 07/09 15:00 | 25 | [360] Garrett Johns v Hyeon Chung [381] | 6-3,2-6,7-6 |
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