Serena Williams defeated Bethanie Mattek Sands 6-3 6-1 in the Cincinnati round of 16 on hard. The result followed the form book — Serena Williams came in leading the head-to-head 2–0. Serena Williams extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | US Open | R32 | hard | Serena Williams | 3-6 7-5 6-0 |
| 2008-06-23 | Wimbledon | R16 | grass | Serena Williams | 6-3 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About