Hyeon Il Jung defeated Joo Ho Maeng 6-1 6-3 in the Korea F3 q64 on hard. The upset overturned the form book — Joo Ho Maeng came in leading the head-to-head 1–0. Hyeon Il Jung claimed a first win over Joo Ho Maeng in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-18 | Korea F11 | Q32 | clay | Joo Ho Maeng | 6-0 6-7(5) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.