Angela Haynes defeated Amber Liu 7-5 6-2 in the Surprise AZ 25K qualifying round on hard. Angela Haynes extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-11-12 | La Quinta CA 50K | R32 | hard | Amber Liu | 7-6(6) 4-6 6-3 |
| 2007-05-28 | Carson CA 50K | R16 | hard | Angela Haynes | 4-6 7-6(6) 6-2 |
Averages over each player's completed matches in the selected window (10 vs 2). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About