1988 Vitosha New Otani Open

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.

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.