Claire Liu vs Dayana Yastremska — San Jose Round of 32
Liu C.
Claire Liu defeated Dayana Yastremska 6-3 4-6 6-4 in the San Jose round of 32 on hard. The upset overturned the form book — Dayana Yastremska came in ranked #74.
Key context
- Match story: Claire Liu closed it out in three sets, 6–3 4–6 6–4.
Head to head
No previous meetings on record.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Serve & return on hard
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Statistics
This seasonAverages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadLiu C.: 1 day rest · 3 matches, 54 games (7d) · Yastremska D.: 13 days rest · 1 match (14d). Higher means fresher. About