Amanda Coetzer defeated Amy Frazier 7-5 6-1 in the San Diego quarter-final on hard. The upset overturned the form book — Amy Frazier came in leading the head-to-head 3–1, defending last year's round of 16. Amanda Coetzer narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-20 | Tokyo | QF | hard | Amy Frazier | 6-0 6-4 |
| 1998-09-21 | Tokyo | R16 | hard | Amy Frazier | 0-6 6-3 6-2 |
| 1997-08-04 | Manhattan Beach | R16 | hard | Amy Frazier | 6-1 6-3 |
| 1997-05-26 | Roland Garros | R64 | clay | Amanda Coetzer | 7-6(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 (7 vs 34). ATP, WTA & Challenger.