John Patrick Smith defeated Seong Chan Hong 6-2 6-4 in the Busan CH round of 32 on hard. The upset overturned the form book — Seong Chan Hong came in defending last year's round of 32.
No previous meetings on record.
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 (120 vs 153). ATP, WTA & Challenger.