1988 Vitosha New Otani Open
Date	8–14 August
Edition	1st
Category	Category 2
Draw	32S /16D
Prize money	$100,000
Surface	Hard / outdoor
Location	Sofia, Bulgaria
Champions
Singles
Conchita Martínez
Doubles
Conchita Martínez / Barbara Paulus
Vitosha New Otani Open · 1989 →

The 1988 Vitosha New Otani Open was a women's tennis tournament played on outdoor hard courts in Sofia, Bulgaria and was part of the Category 2 tier of the 1988 WTA Tour. The tournament ran from 8 August until 14 August 1988. Sixth-seeded Conchita Martínez won the singles title and earned $17,000 first-prize money.^[1][2]

Finals

Singles

Conchita Martínez defeated Barbara Paulus 6–1, 6–2

• It was Martínez's 1st title of the year and the 1st of her career.

Doubles

Conchita Martínez / Barbara Paulus defeated Sabrina Goleš / Katerina Maleeva 1–6, 6–1, 6–4

• It was Martínez's 2nd title of the year and the 2nd of her career. It was Paulus' 2nd title of the year and the 2nd of her career.