Nao Hibino defeated Anna Siskova 6-4, 6-2 in the qualifying 64 round of the US Open. Hibino converted 57% of her break points and won 69% of her first-serve points to secure the win. She broke Siskova's serve four times, while Siskova managed only one service break.
No previous meetings on record.
Averages over each player's completed matches in the selected window (39 vs 37). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Slight edge · Siskova A. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). 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.
Hibino N.: 2 days rest · 3 matches, 54 games (7d) · Siskova A.: 2 days rest · 2 matches, 47 games (7d). 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