1998 Chase Championships – Singles
Martina Hingis defeated Lindsay Davenport in the final, 7–5, 6–4, 4–6, 6–2 to win the singles tennis title at the 1998 Chase Championships.
Jana Novotná was the defending champion, but lost in the first round to Steffi Graf.
This marked the last WTA Championships final to be best-of-five-sets.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.- Lindsay Davenport '
- Martina Hingis
- Jana Novotná '
- Arantxa Sánchez-Vicario '
- Monica Seles '
- Mary Pierce '
- Conchita Martínez '
- Nathalie Tauziat ''''