Simona Halep defeated Ana Ivanovic 2-6 6-1 6-3 in the Tournament of Champions semi-final on hard. The upset overturned the form book — Ana Ivanovic came in leading the head-to-head 5–1. Simona Halep narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-15 | Dubai | R16 | hard | Ana Ivanovic | 7-6(2) 6-2 |
| 2014-10-20 | WTA Finals | RR | hard | Ana Ivanovic | 7-6(7) 3-6 6-3 |
| 2014-09-29 | Beijing | QF | hard | Ana Ivanovic | DEF |
| 2014-05-05 | Madrid | QF | clay | Simona Halep | 6-2 6-2 |
| 2014-04-19 | Fed Cup WG PO: ROU vs SRB | RR | clay | Ana Ivanovic | 6-3 7-6(2) |
| 2013-02-11 | Doha | R32 | hard | Ana Ivanovic | 6-3 0-0 RET |
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 (198 vs 189). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About