Ernests Gulbis defeated Hyeon Chung 7-6 6-2 in the Pune round of 16 on hard. The upset overturned the form book — Hyeon Chung came in leading the head-to-head 2–1, defending last year's round of 16. Ernests Gulbis narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-12-31 | Pune | R16 | hard | Ernests Gulbis | 7-6 6-2 |
| 2017-04-24 | Barcelona | Q1 | clay | Hyeon Chung | 7-6 6-2 |
| 2017-04-22 | Barcelona | Q32 | clay | Hyeon Chung | 7-6(2) 6-2 |
Averages over each player's completed matches in the selected window (113 vs 80). 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