Hyeon Chung defeated Tennys Sandgren 6-3 5-7 6-3 in the Auckland round of 32 on hard. The result followed the form book — Hyeon Chung came in leading the head-to-head 1–0. Hyeon Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-01-15 | Australian Open | QF | hard | Hyeon Chung | 6-4 7-6(5) 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (136 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About