Martina Hingis defeated Mary Joe Fernandez 6-4 6-1 in the Key Biscayne quarter-final on hard. The result followed the form book — Martina Hingis came in leading the head-to-head 2–0. Martina Hingis extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-01-13 | Australian Open | SF | hard | Martina Hingis | 6-1 6-3 |
| 1997-01-06 | Sydney | SF | hard | Martina Hingis | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.