Jelena Jankovic defeated Jie Zheng 6-4 7-5 in the Miami round of 16 on hard. The result followed the form book — Jelena Jankovic came in leading the head-to-head 4–1, defending last year's round of 32. Jelena Jankovic extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-11 | Birmingham | SF | grass | Jelena Jankovic | 6-7(2) 7-5 6-1 |
| 2011-08-15 | Cincinnati | R32 | hard | Jelena Jankovic | 4-6 6-3 6-1 |
| 2008-08-25 | US Open | R32 | hard | Jelena Jankovic | 7-5 7-5 |
| 2007-01-29 | Tokyo | R16 | hard | Jelena Jankovic | 6-4 6-0 |
| 2005-09-19 | Beijing | R32 | hard | Jie Zheng | 7-5 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 (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About