Ai Sugiyama defeated Tatiana Perebiynis 6-4 7-6 in the New Haven round of 16 on hard. The result followed the form book — Ai Sugiyama came in leading the head-to-head 2–0. Ai Sugiyama extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-14 | Australian Open | R64 | hard | Ai Sugiyama | 6-4 6-4 |
| 2004-08-15 | Olympics | R32 | hard | Ai Sugiyama | 7-5 6-4 |
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 44). ATP, WTA & Challenger.