Peng Sun defeated Lesley Joseph 6-1 6-4 in the China F2 round of 16 on hard. The upset overturned the form book — Lesley Joseph came in leading the head-to-head 1–0. Peng Sun claimed a first win over Lesley Joseph in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-21 | China F3 | QF | hard | Lesley Joseph | 3-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.