He also won eight Pro Slam titles (including all three in 1967) and contributed to five Davis Cup titles for Australia during the era when Davis Cup was deemed as significant as the Grand Slams.
He also won eight Pro Slam titles (including all three in 1967) along with six Grand Slam men's doubles and three Grand Slam mixed doubles titles. Plus he contributed to five Davis Cup titles for Australia during the era when Davis Cup was deemed as significant as the Grand Slams.