
Qinwen Zheng defeated Anhelina Kalinina 6-3 6-2 in the Zhengzhou quarter-final on hard. The upset overturned the form book — Anhelina Kalinina came in ranked #51, leading the head-to-head 2–0. Qinwen Zheng claimed a first win over Anhelina Kalinina in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-11 | W100 Contrexeville 1 | SF | clay | Anhelina Kalinina | 6-4 6-4 |
| 2021-07-03 | W60 Montpellier | SF | clay | Anhelina Kalinina | 6-1 4-6 6-2 |
Averages over each player's completed matches in the selected window (186 vs 182). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Zheng Q.: 18 days rest · Kalinina A.: 4 days rest · 2 matches, 55 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