Simona Halep defeated Jelena Jankovic 4-6 6-0 7-5 in the Rome quarter-final on clay. The result followed the form book — Simona Halep came in leading the head-to-head 6–1, defending last year's round of 64. Simona Halep extended the head-to-head to 7–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-01-02 | Shenzhen | R32 | hard | Simona Halep | 6-1 3-6 6-3 |
| 2015-08-17 | Cincinnati | SF | hard | Simona Halep | 6-1 6-2 |
| 2015-08-10 | Toronto | R32 | hard | Simona Halep | 6-3 6-4 |
| 2015-03-09 | Indian Wells | F | hard | Simona Halep | 2-6 7-5 6-4 |
| 2014-01-13 | Australian Open | R16 | hard | Simona Halep | 6-4 2-6 6-0 |
| 2012-05-21 | Brussels | R32 | clay | Simona Halep | 6-2 3-6 7-6(3) |
| 2010-08-30 | US Open | R128 | hard | Jelena Jankovic | 6-4 4-6 7-5 |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About