Final score 6–2, 7–6 | ||
Conchita Martínez was the defending champion but did not compete that year.
Isabel Cueto won in the final 6–2, 7–6 against Katerina Maleeva.
Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
References
1989 Vitosha New Otani Open – Singles Wikipedia(Text) CC BY-SA