
Hyeon Chung defeated Michael Mmoh 6-2 6-4 in the Lahaina CH quarter-final on hard. The upset overturned the form book — Michael Mmoh came in ranked #180, defending last year's round of 16, but Hyeon Chung had been the form player, winning 4 of their last 7 on hard. Hyeon Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-19 | Miami Masters | R32 | hard | Hyeon Chung | 6-1 6-1 |
Averages over each player's completed matches in the selected window (199 vs 199). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About