Lilia Osterloh defeated Stephanie Chi 7-6 6-3 in the Miami 10K semi-final on hard. The result followed the form book — Lilia Osterloh came in leading the head-to-head 1–0. Lilia Osterloh extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-08 | Rockford 25K | R32 | hard | Lilia Osterloh | 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.