Martina Hingis defeated Lilia Osterloh 6-2 7-5 in the Los Angeles round of 32 on hard. The result followed the form book — Martina Hingis came in leading the head-to-head 2–0, defending last year's semi-final. Martina Hingis extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-07-30 | San Diego | R32 | hard | Martina Hingis | 6-1 6-4 |
| 1999-01-18 | Australian Open | R128 | hard | Martina Hingis | 6-1 6-2 |
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 (84 vs 52). ATP, WTA & Challenger.