Hyeon Chung defeated Horacio Zeballos 3-6 7-6 6-4 6-3 in the US Open round of 128 on hard. The upset overturned the form book — Horacio Zeballos came in defending last year's round of 64.
No previous meetings on record.
Averages over each player's completed matches in the selected window (199 vs 89). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Chung H.: 12 days rest · 1 match (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About