Final score 4–6, 6–3, 6–4 | ||
Martina Hingis was the defending champion but lost in the quarterfinals to Steffi Graf.
Graf won in the final 4–6, 6–3, 6–4 against Lindsay Davenport.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.
References
1998 Advanta Championships of Philadelphia – Singles Wikipedia(Text) CC BY-SA