Two-time Australian Open champions Aryna Sabalenka and Victoria Azarenka will meet in the WTA and ATP Washington Open quarter-finals after Azarenka foiled an upset bid Thursday by China's Wang Yafan. A day after her 35th birthday, Azarenka ousted 73rd-ranked Wang Yafan 6-1, 6-7 (5/7), 6-3 after two hours and 46 minutes
