Answer
Emerson won six Australian Open men's singles titles, making him one of the most successful players in the tournament's history. He won his first title in 1961 and went on to win five more in 1963, 1964, 1965, 1966, and 1967. Emerson's success at the Australian Open was part of a dominant period in his career, during which he also won two Wimbledon titles and two US Open titles.