1989 Geneva Open – Singles

Marián Vajda was the defending champion, but did not participate this year. Marc Rosset won the title, defeating Guillermo Pérez-Roldán 6–4, 7–5 in the final.

Source: Wikipedia DBpedia

What is 1989 Geneva Open – Singles subject of?

1989 Geneva Open – Singles is subject of Geneva Open and 1989 Grand Prix (tennis).