1998 Páginas Amarillas Open – Singles

Jana Novotná was the defending champion but did not compete that year.

Patty Schnyder won in the final 3–6, 6–4, 6–0 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 two seeds received a bye to the second round.


 * 1) 🇫🇷 Sandrine Testud (semifinals)
 * 2) 🇧🇪 Dominique Van Roost (final)
 * 3)  Patty Schnyder (champion)
 * 4) 🇦🇹 Barbara Schett (semifinals)
 * 5) 🇪🇸 Virginia Ruano Pascual (first round)
 * 6) 🇦🇷 Florencia Labat (first round)
 * 7) 🇪🇸 Magüi Serna (quarterfinals)
 * 8) 🇺🇸 Kimberly Po (second round)