Shuai Peng defeated Jelena Jankovic 7-6 6-3 in the Australian Open round of 64 on hard. The upset overturned the form book — Jelena Jankovic came in leading the head-to-head 7–2, defending last year's round of 32. Shuai Peng narrowed the head-to-head to 7–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-15 | Luxembourg | R32 | hard | Jelena Jankovic | 3-0 RET |
| 2012-08-13 | Cincinnati | R64 | hard | Shuai Peng | 5-7 7-5 7-6(8) |
| 2009-10-05 | Beijing | R32 | hard | Shuai Peng | 4-6 7-5 6-2 |
| 2008-05-05 | Berlin | R32 | grass | Jelena Jankovic | 7-5 6-0 |
| 2007-08-06 | Los Angeles | R32 | hard | Jelena Jankovic | 6-1 6-1 |
| 2007-05-07 | Berlin | R16 | grass | Jelena Jankovic | 6-1 6-7(3) 2-3 RET |
| 2007-03-19 | Miami | R64 | hard | Jelena Jankovic | 6-2 6-4 |
| 2006-09-25 | Guangzhou | R16 | hard | Jelena Jankovic | 6-2 6-3 |
| 2006-06-12 | Birmingham | R32 | grass | Jelena Jankovic | 6-2 6-1 |
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