Serena and Venus Williams win their singles and doubles matches at the London Olympics at Wimbledon . Americans could potentially meet in the singles semifinals of the grass-court tournament . Serena and Venus also won their opening doubles match , beating Romania 's Sorana Cirstea and Simona Halep 6-3 6-2 to set up a clash with Kerber and Sabine Lisicki . World No . 1 Victoria Azarenka wins her opening match and could play Venus in the quarterfinals . TL;DR The U.S. women's tennis team is set to face Australia on Sunday for a spot in Sunday's final.
Serena and Venus Williams win their singles and doubles matches at the London Olympics at Wimbledon . Americans could potentially meet in the singles semifinals of the grass-court tournament . World No . 1 Victoria Azarenka wins her opening match and could play Venus in the quarterfinals . TL;DR The U.S. women's tennis team is set to face Australia on Sunday for a spot in Sunday's final.