1998 Open Gaz de France – Singles

Martina Hingis was the defending champion but did not compete that year.

Mary Pierce won in the final 6–3, 7–5 against Dominique Van Roost.

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.


 * 1) 🇨🇿 Jana Novotná (semifinals)
 * 2)  Iva Majoli (quarterfinals)
 * 3) 🇫🇷 Mary Pierce (champion)
 * 4) 🇫🇷 Nathalie Tauziat (semifinals)
 * 5) 🇩🇪 Anke Huber (quarterfinals)
 * 6) 🇧🇪 Dominique Van Roost (final)
 * 7) 🇦🇹 Barbara Paulus (quarterfinals)
 * 8) 🇧🇪 Sabine Appelmans (second round)