Thanaphat Boosarawongse defeated Sam Ryan Ziegann in the quarterfinals of the M15 Bali tournament on hard courts, winning 5-7, 6-3, 6-3. Boosarawongse hit 6 aces and 2 double faults, while converting 50% of break points and winning 5 service breaks. Ziegann had 8 aces and 6 double faults, converting 27% of break points and winning 3 service breaks.
No previous meetings on record.
Averages over each player's completed matches in the selected window (2 vs 1). ATP, WTA & Challenger.
Toss-up · Too close to call
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.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About