
Hyeon Chung defeated Marin Cilic 6-4 3-6 6-1 in the Tokyo round of 16 on hard. The upset overturned the form book — Marin Cilic came in ranked #86, leading the head-to-head 3–0, defending last year's round of 32. Hyeon Chung claimed a first win over Marin Cilic in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-01-04 | Brisbane | R16 | hard | Marin Cilic | 7-5 7-6 |
| 2015-09-28 | Shenzhen | QF | hard | Marin Cilic | 7-6 6-4 |
| 2015-08-03 | Washington | R32 | hard | Marin Cilic | 7-6 6-3 |
Averages over each player's completed matches in the selected window (88 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About