Yes; he won it twice - in 1973 and 1975
Yes, John Newcombe won the Wimbledon singles championship in 1967. He defeated the Australian player, John Newcombe, in the final, securing his first Wimbledon title. This victory marked a significant achievement in Newcombe's tennis career, contributing to his legacy as one of the sport's greats.
Australian Open.
Maria Sharapova won the Australian Open in 2008.
No, Kim Clijsters did not win the Australian Open in 2003. She won the Australian Open in Women's singles in 2011. She did make it to the Quarterfinals in Doubles at the 2003 Australian Open. Serena Williams won the Australian Open in 2003 beating her sister Venus Williams in the final.
Chris O'Neil in 1978.
2009
Yes, in 2010 Serena won australian open champion 2010 title.
Monica Seles
The Australian Open, French Open, Wimbledon and the US Open.
Serena Williams
3
Yes, Chris Evert won the Australian Open Women's Singles title in both 1982 and 1984.