| Challenger Pune | 02/22 07:45 | 14 | Hyeon Chung v Mitsuki Wei Kang Leong | 3-6,6-1,0-6 | |
| Challenger New Delhi | 02/17 04:30 | 25 | [408] Alastair Gray v Hyeon Chung [396] | 6-0,7-6 | |
| Challenger New Delhi | 02/16 06:30 | 19 |
[393] Hyeon Chung v
Ramkumar Ramanathan
[172] 
|
6-2,6-2 | |
| Challenger New Delhi | 02/15 08:35 | 14 | [393] Hyeon Chung v Nitin Kumar Sinha [243] | 6-2,6-1 | |
| Davis Cup | 02/08 08:15 | 14 |
[392] Hyeon Chung v
Marco Trungelliti
[134] 
|
6-4,6-3 | |
| Davis Cup | 02/07 02:05 | 14 |
[392] Hyeon Chung v
Thiago Agustin Tirante
[95] 
|
6-2,5-7,6-7 | |
| Challenger Phan Thiet | 01/26 05:20 | 25 | [398] Corentin Denolly v Hyeon Chung [418] | 6-2,6-4 | |
| Challenger Phan Thiet | 01/22 03:00 | 26 | [307] Robin Bertrand v Hyeon Chung [418] | 6-7,7-6,6-2 | |
| Challenger Phan Thiet | 01/20 03:00 | 25 |
[418] Hyeon Chung v
Ryan Peniston
[219] 
|
6-4,6-4 | |
| Challenger Phan Thiet | 01/19 03:00 | 19 |
[387] Notts County
v
Hyeon Chung [418] |
Walkover | |
| Challenger Phan Thiet | 01/18 04:40 | 14 |
[467] Moerani Bouzige
v
Hyeon Chung [423] |
6-3,4-6,1-6 | |
| Challenger Nonthaburi | 01/13 09:55 | 25 | [303] Candela Bugnon/Naya v Hyeon Chung [423] | 6-3,6-2 | |
| Challenger Nonthaburi | 01/12 03:00 | 19 | Thanapet Chanta v Hyeon Chung | 6-2,3-6,4-6 | |
| Challenger Nonthaburi | 01/11 03:00 | 14 | [453] Yusuke Takahashi v Hyeon Chung [361] | 4-6,3-6 | |
| Challenger Nonthaburi | 01/06 08:35 | 25 | [361] Hyeon Chung v Florent Bax [281] | 6-3,6-7,3-6 | |
| Challenger Yokohama | 11/18 04:55 | 25 | [366] Hyeon Chung v Kaichi Uchida [288] | 3-6,0-6 | |
| Challenger Kobe | 11/12 02:00 | 26 |
[131] Chun Hsin Tseng
v
Hyeon Chung [379] |
1-6,6-2,7-5 | |
| Challenger Kobe | 11/10 05:55 | 25 | [379] Hyeon Chung v Ryuki Matsuda [260] | 6-1,6-4 | |
| 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] Coleman Wong
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
Jeju United
[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 Helen Ploskina | Cancelled | |
| Davis Cup | 09/12 04:00 | 1 | [379] Hyeon Chung v Andrei Soltoianu [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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