Serena Williams defeated Ana Ivanovic 6-2 6-4 in the US Open round of 32 on hard. The result followed the form book — Serena Williams came in leading the head-to-head 8–1, defending last year's round of 16. Serena Williams extended the head-to-head to 9–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-17 | Cincinnati | QF | hard | Serena Williams | 3-6 6-4 6-2 |
| 2014-10-20 | WTA Finals | RR | hard | Serena Williams | 6-4 6-4 |
| 2014-08-11 | Cincinnati | F | hard | Serena Williams | 6-4 6-1 |
| 2014-07-28 | Stanford | QF | hard | Serena Williams | 2-6 6-3 7-5 |
| 2014-05-12 | Rome | SF | clay | Serena Williams | 6-1 3-6 6-1 |
| 2014-01-13 | Australian Open | R16 | hard | Ana Ivanovic | 4-6 6-3 6-3 |
| 2012-08-27 | US Open | QF | hard | Serena Williams | 6-1 6-3 |
| 2011-08-29 | US Open | R16 | hard | Serena Williams | 6-3 6-4 |
| 2009-02-16 | Dubai | QF | hard | Serena Williams | 6-4 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
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