Ai Sugiyama defeated Stephanie Dubois 6-0 7-6 in the Australian Open round of 128 on hard. The upset overturned the form book — Stephanie Dubois came in leading the head-to-head 1–0, defending last year's round of 128. Ai Sugiyama claimed a first win over Stephanie Dubois in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-08-13 | Toronto | R64 | hard | Stephanie Dubois | 6-7(5) 6-4 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 (26 vs 44). ATP, WTA & Challenger.