1977 French Open – Men's Singles

Adriano Panatta was the defending champion, but lost in the quarterfinals to Raúl Ramírez. Guillermo Vilas defeated Brian Gottfried 6–0, 6–3, 6–0 in the final to win the Men's Singles tennis title at the 1977 French Open.

Source: Wikipedia DBpedia

What is 1977 French Open – Men's Singles subject of?

1977 French Open – Men's Singles is subject of 1977 French Open, French Open by year – Men's Singles and 1977 Grand Prix (tennis).