Steffi Graf defeated Jana Novotna 6-2 6-0 in the Indian Wells quarter-final on hard. The result followed the form book — Steffi Graf came in leading the head-to-head 2–0, defending last year's semi-final. Steffi Graf extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-11-16 | WTA Tour Championships | R16 | carpet | Steffi Graf | 6-7 6-4 6-1 |
| 1998-08-24 | New Haven | F | hard | Steffi Graf | 6-4 6-1 |