Steffi Graf defeated Henrieta Nagyova 6-1 6-3 in the Key Biscayne round of 32 on hard. The result followed the form book — Steffi Graf came in leading the head-to-head 2–0. Steffi Graf extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-24 | New Haven | R16 | hard | Steffi Graf | 6-1 6-3 |
| 1998-06-22 | Wimbledon | R64 | grass | Steffi Graf | 6-0 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.