Tsvetana Pironkova defeated Jie Zheng 2-6 6-4 7-6 in the Tournament of Champions round robin on hard. The upset overturned the form book — Jie Zheng came in leading the head-to-head 2–0. Tsvetana Pironkova claimed a first win over Jie Zheng in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-20 | New Haven | R32 | hard | Jie Zheng | 7-5 6-2 |
| 2006-08-07 | Stockholm | SF | hard | Jie Zheng | 6-2 7-6(5) |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.