Bethanie Mattek Sands defeated Stefanie Voegele 6-4 6-4 in the Beijing q16 on hard. The upset overturned the form book — Stefanie Voegele came in defending last year's round of 64. Bethanie Mattek Sands extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-09-19 | Seoul | R32 | hard | Bethanie Mattek Sands | 6-2 3-6 6-3 |
| 2014-09-20 | Wuhan | Q16 | hard | Stefanie Voegele | 6-4 3-6 6-1 |
Averages over each player's completed matches in the selected window (176 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About