Serena is 19-12 all-time against Venus, including 11 wins in majors and a 7-2 mark in Grand Slam finals. There was a stretch from 2002-03 where the Williams sisters played each other in the championship round of five straight majors, including twice at Wimbledon.

Venus Williams celebrates victory in the women's doubles at the Washington Open after a 16-month absence, while Britain's Dan Evans and Cameron Norris advance to the second round.

Venus Williams displayed her trademark power on some strokes and missed others while teaming with Hailey Baptiste for a 6-3, 6-1 victory.