Katie Boulter vs Emma Navarro — San Diego Semi-final
USA3
Boulter K.
Katie Boulter defeated Emma Navarro 6-3 6-1 in the San Diego semi-final on hard. The upset overturned the form book — Emma Navarro came in ranked #26, defending last year's semi-final.
Key context
- Match story: Katie Boulter dropped just 4 games past Emma Navarro.
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 (118 vs 145). 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 loadBoulter K.: 13 days rest · 1 match (14d) · Navarro E.: 9 days rest · 3 matches (14d). Higher means fresher. About