1978 Australian Open – Men's Singles

Vitas Gerulaitis was the defending champion, but did not compete this year. Guillermo Vilas defeated John Marks 6–4, 6–4, 3–6, 6–3 in the final to win the Men's Singles tennis title at the 1978 Australian Open.

Source: Wikipedia DBpedia

What is 1978 Australian Open – Men's Singles subject of?

1978 Australian Open – Men's Singles is subject of Australian Open (tennis) by year – Men's Singles and 1978 Australian Open.