
Hyeon Chung defeated Alexander Zverev 6-1 6-4 in the Barcelona round of 16 on clay. The upset overturned the form book — Alexander Zverev came in ranked #2, defending last year's round of 16. Hyeon Chung extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-30 | Munich | SF | clay | Alexander Zverev | 7-5 6-2 |
| 2018-01-15 | Australian Open | R32 | hard | Hyeon Chung | 5-7 7-6(3) 2-6 6-3 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (195 vs 199). ATP, WTA & Challenger.