Ivanna Israilova defeated Yan Chong Chen 6-2 2-6 6-3 in the Tongliao 25K round of 32 on hard. The upset overturned the form book — Yan Chong Chen came in leading the head-to-head 2–0, but Ivanna Israilova had been the form player, winning 3 of their last 7 on hard. Ivanna Israilova claimed a first win over Yan Chong Chen in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-31 | Changsha 25K | R32 | hard | Yan Chong Chen | 6-2 6-3 |
| 2006-07-17 | Chongqing 25K | R32 | hard | Yan Chong Chen | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.