Rei Sakamoto defeated Kei Nishikori 6-4, 7-6 in the second round of US Open qualifying. Sakamoto hit 19 aces and committed one double fault, while Nishikori did not record an ace and made four double faults. Sakamoto won 84% of her first-serve points and converted 33% of break points, while Nishikori won 63% of his first-serve points and converted all three of his break points; Sakamoto earned two service breaks to Nishikori's one.
“I couldn't play my best today”
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No previous meetings on record.
Averages over each player's completed matches in the selected window (10 vs 34). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Toss-up · Too close to call
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.
Nishikori K.: 1 day rest · 3 matches, 66 games (7d) · Sakamoto R.: 1 day rest · 3 matches, 70 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About