

Qinwen Zheng defeated Maria Sakkari 7-6 6-3 in the Zhengzhou round of 16 on hard. The upset overturned the form book — Maria Sakkari came in ranked #43. Qinwen Zheng extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-06-15 | Nottingham | R32 | grass | Qinwen Zheng | 4-6 7.7-6.1 6-4 |
| 2025-03-31 | Charleston | R32 | clay | Qinwen Zheng | 6-4 6-1 |
| 2023-02-13 | Doha | R32 | hard | Maria Sakkari | 6-2 3-6 6-3 |
| 2022-01-17 | Australian Open | R64 | hard | Maria Sakkari | 6-1 6-4 |
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
Averages over each player's completed matches in the selected window (164 vs 164). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Zheng Q.: 13 days rest · 1 match (14d) · Sakkari M.: 8 days rest · 3 matches (14d). Higher means fresher. About