Monica Seles defeated Anne Gaelle Sidot 6-3 6-1 in the Stanford quarter-final on hard. The result followed the form book — Monica Seles came in leading the head-to-head 2–0, defending last year's quarter-final. Monica Seles extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-05-15 | Rome | R16 | clay | Monica Seles | 3-6 6-1 6-1 |
| 1999-08-16 | Canadian Open | SF | hard | Monica Seles | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.