Final score 6–4, 6–4 | ||
Lori McNeil was the defending champion but lost in the second round to Betsy Nagelsen.
Manon Bollegraf won in the final 6–4, 6–4 against Leila Meskhi.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
References
1989 Virginia Slims of Oklahoma – Singles Wikipedia(Text) CC BY-SA