This was a historic match between two of the greatest female tennis players of all time. On July 5th, 2002, Serena Williams faced off against her sister Venus Williams in the Wimbledon semifinal match. Serena ultimately emerged victorious, winning in straight sets 6-2, 6
From Wikipedia
Venus Ebony Starr Williams is an American professional tennis player. She has been ranked as the world No. 1 in both women's singles and doubles by the Women's Tennis Association. Williams has won 49 WTA Tour-level singles titles, including seven majors, as well as a gold medal at the 2000 Sydney Olympics and the 2008 WTA Tour Championships. She has also won 22 doubles titles, including 14 majors and three Olympic gold medals.