
Anna Kalinskaya defeated Anhelina Kalinina 7-6 6-4 in the Charleston round of 64 on clay. The upset overturned the form book — Anhelina Kalinina came in leading the head-to-head 1–0, defending last year's quarter-final. Anna Kalinskaya claimed a first win over Anhelina Kalinina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-12 | Budapest | R32 | clay | Anhelina Kalinina | 6-4 7-6 |
Averages over each player's completed matches in the selected window (185 vs 182). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Kalinskaya A.: 7 days rest · 1 match, 25 games (7d) · Kalinina A.: 9 days rest · 2 matches (14d). 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 clay field, opponent-adjusted over 52 weeks). About