Juan Martin Del Potro
Bjorn Borg was the Men's Singles Champion at the French Open in each year between 1978 and 1981.
The Australian Open Men's Singles in 1981 was won by Johan Kriek, who beat Steve Denton in the final.
Rod Laver
Βjörn Borg
Pete Sampras
Pete Sampras
roger federer
In 2009, there were 61 countries represented.
Rafael Nadal for Mens' Singles, Venus Williams for Ladies' Singles.
The Mens champion was Roger Federer and Womens champion was Serena Williams
Roger Federer was the mens singles champion in the year 2006
Arthur Ashe won in 1975.