Chan Yeong Oh defeated Sam Ryan Ziegann 6-3, 6-1 in the Round of 32 at the M15 Maanshan hard court tournament. Oh hit 4 aces and did not commit a double fault, while Ziegann had 2 aces and 8 double faults. Oh converted 71% of his break points and won 78% of his first-serve points, compared to Ziegann's 33% break point conversion and 67% first-serve win percentage.
No previous meetings on record.
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Clear favourite · Yeong Oh C. clearly ahead, but no certainty
Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.