1989 Virginia Slims of Oklahoma – Singles

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.

1989 Virginia Slims of Oklahoma – Singles

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.