Anna Kournikova defeated Mirjana Lucic 6-4 6-2 in the Key Biscayne round of 64 on hard. The result followed the form book — Anna Kournikova came in leading the head-to-head 1–0, defending last year's round of 16. Anna Kournikova extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-26 | Stanford | R32 | hard | Anna Kournikova | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.