
Anastasia Zakharova defeated Anna Kalinskaya 3-6 6-1 7-5 in the Miami round of 64 on hard. The upset overturned the form book — Anna Kalinskaya came in ranked #21, defending last year's round of 32.
No previous meetings on record.
Averages over each player's completed matches in the selected window (45 vs 30). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zakharova A.: 8 days rest · 1 match (14d) · Kalinskaya A.: 2 days rest · 2 matches, 44 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