Martina Hingis defeated Venus Williams in the final, with a score of 6–3, 2–6, 6–3 to win the women's singles tennis title at the 1998 Italian Open.[1]
Mary Pierce was the defending champion, but lost in the third round to Mirjana Lučić.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round.
Jana Novotná (second round)
Mary Pierce (third round)
Arantxa Sánchez-Vicario (semifinals)
Monica Seles (third round) Conchita Martínez (third round) Venus Williams (final) Nathalie Tauziat (first round) Sandrine Testud (quarterfinals)
Dominique Van Roost (third round)
Anna Kournikova (quarterfinals) Lisa Raymond (quarterfinals)