
Serena Williams shakes hands with Madison Keys after winning the all-American clash on Arthur Ashe.

Venus Williams of the United States celebrates after defeating Anett Kontaveit of Estonia in their fourth round match.

Venus and Serena have won 28 grand slam singles titles between them and shared 13 grand slam doubles titles.

Serena leads the career head to head 15-11 with the most recent victory at Wimbledon in July.