1988 Vitosha New Otani Open – Singles

Conchita Martínez won in the final 6–1, 6–2 against Barbara Paulus.

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


 * 1) 🇧🇬 Katerina Maleeva (semifinals)
 * 2) 🇦🇹 Barbara Paulus (final)
 * 3)  Sabrina Goleš (quarterfinals)
 * 4)  Angeliki Kanellopoulou (first round)
 * 5) 🇧🇪 Sandra Wasserman (quarterfinals)
 * 6) 🇪🇸 Conchita Martínez (champion)
 * 7) 🇧🇪 Ann Devries (semifinals)
 * 8)  Iva Budařová (quarterfinals)