1989 Great American Bank Classic – Singles

Stephanie Rehe was the defending champion but did not compete that year.

Steffi Graf won in the final 6–4, 7–5 against Zina Garrison.

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


 * 1)  Steffi Graf (champion)
 * 2) 🇺🇸 Zina Garrison (final)
 * 3) 🇺🇸 Susan Sloane (first round)
 * 4) 🇺🇸 Patty Fendick (second round)
 * 5) 🇺🇸 Lori McNeil (first round)
 * 6) 🇫🇷 Nathalie Tauziat (semifinals)
 * 7)  Claudia Kohde-Kilsch (quarterfinals)
 * 8)  Rosalyn Fairbank (first round)