Ai Sugiyama defeated Alexandra Stevenson 6-3 6-1 in the San Diego round of 32 on hard. The result followed the form book — Ai Sugiyama came in leading the head-to-head 2–1. Ai Sugiyama extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-24 | Scottsdale | SF | hard | Ai Sugiyama | 6-7(2) 6-2 7-6(7) |
| 2002-10-14 | Zurich | R32 | hard | Alexandra Stevenson | 6-3 6-4 |
| 2000-09-30 | Tokyo | R32 | hard | Ai Sugiyama | 6-3 6-3 |
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 (172 vs 20). ATP, WTA & Challenger.