Final score 6–4, 7–5 | ||
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.
References
1989 Great American Bank Classic – Singles Wikipedia(Text) CC BY-SA