Ai Sugiyama defeated Corina Morariu 7-6 6-2 in the Tokyo quarter-final on hard. The result followed the form book — Ai Sugiyama came in leading the head-to-head 3–0. Ai Sugiyama extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-30 | Bol | R32 | clay | Ai Sugiyama | 6-2 0-6 6-3 |
| 1999-01-03 | Hope Island | R32 | hard | Ai Sugiyama | 6-2 6-7 6-3 |
| 1998-04-13 | Tokyo | F | 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 4). ATP, WTA & Challenger.