see more

Undated and unlocated picture of US tennis player William Tilden as he plays a backhand in a championship in the 1920's. Tilden (1893-1953), one of the best players ever, won 11 Grand Slam tournaments in the men's singles. (Photo credit should read AFP/AFP/Getty Images)

Undated and unlocated picture of US tennis player William Tilden as he plays a backhand in a championship in the 1920's. Tilden (1893-1953), one of the best players ever, won 11 Grand Slam tournaments in the men's singles. (Photo credit should read AFP/AFP/Getty Images)