1989 Virginia Slims of Houston – Singles

Chris Evert was the defending champion but lost in the final 3–6, 6–1, 6–4 against Monica Seles.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇺🇸 Chris Evert (final)
 * 2) 🇺🇸 Zina Garrison (second round)
 * 3) 🇧🇬 Katerina Maleeva (first round)
 * 4) 🇺🇸 Lori McNeil (quarterfinals)
 * 5) 🇺🇸 Susan Sloane (semifinals)
 * 6) 🇺🇸 Amy Frazier (second round)
 * 7)  Isabel Cueto (first round)
 * 8) 🇺🇸 Gretchen Magers (quarterfinals)