Yushan Shao defeated Maria Kalyakina 6-2 6-4 in the W15 Luan quarter-final on hard. The upset overturned the form book — Maria Kalyakina came in ranked #577, leading the head-to-head 1–0, defending last year's final, but Yushan Shao had been the form player, winning 5 of their last 7 on hard. Yushan Shao claimed a first win over Maria Kalyakina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-31 | W15 Luan 3 | R16 | hard | Maria Kalyakina | 6-1 2-6 6-2 |
Averages over each player's completed matches in the selected window (8 vs 20). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About