Lindsay Davenport defeated Sandra Cacic 6-3 6-3 in the San Diego round of 32 on hard. The result followed the form book — Lindsay Davenport came in leading the head-to-head 2–0, defending last year's round of 16. Lindsay Davenport extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-03-05 | Indian Wells | QF | hard | Lindsay Davenport | 6-1 7-5 |
| 1997-07-21 | Stanford | R16 | hard | Lindsay Davenport | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.