1989 Vitosha New Otani Open

The 1989 Vitosha New Otani Open was a women's tennis tournament played on outdoor clay courts in Sofia, Bulgaria that was part of the Category 1 tier of the 1989 WTA Tour. The tournament was held from 31 July until 6 August 1989. Second-seeded Isabel Cueto won the singles title.

Isabel Cueto defeated Katerina Maleeva 6–2, 7–6^(7–3)

• It was Cueto's 2nd title of the year and the 5th of her career.

Laura Garrone / Laura Golarsa defeated Silke Meier / Elena Pampoulova 6–4, 7–5

• It was Garrone's only title of the year and the 1st of her career. It was Golarsa's only title of the year and the 1st of her career.

• ITF tournament edition details
• WTA tournament draws