Zi Yan defeated Ashley Harkleroad 7-6 6-4 in the Japan Open round of 16 on hard. The upset overturned the form book — Ashley Harkleroad came in leading the head-to-head 1–0, but Zi Yan had been the form player, winning 1 of their last 5 on hard. Zi Yan claimed a first win over Ashley Harkleroad in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-06 | Indian Wells | R128 | hard | Ashley Harkleroad | 6-3 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 (52 vs 66). ATP, WTA & Challenger.