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1924: Full-length image of American tennis player Bill Tilden (1893 - 1953) hitting a tennis ball. Tilden was the only man to win the US championships for six consecutive years, 1920 - 1925. (Photo by Hulton Archive/Getty Images)

1924:  Full-length image of American tennis player Bill Tilden (1893 - 1953) hitting a tennis ball. Tilden was the only man to win the US championships for six consecutive years, 1920 - 1925.  (Photo by Hulton Archive/Getty Images)