1989 Italian Open – Men's Singles

Ivan Lendl was the defending champion but did not compete that year. Alberto Mancini won in the final 6–3, 4–6, 2–6, 7–6, 6–1 against Andre Agassi.

Source: Wikipedia DBpedia

What is 1989 Italian Open – Men's Singles subject of?

1989 Italian Open – Men's Singles is subject of 1989 Grand Prix (tennis) and Italian Open (tennis).