Two-time Australian Open champion Aryna Sabalenka will face fellow Belarusian and former champion Victoria Azarenka in the quarterfinals of the WTA Washington Open. The pair, the only remaining seeds in the last eight, have a history of close matches, with Sabalenka holding a slight advantage. Meanwhile, top seed Andrey Rublev advanced in the men’s draw, setting up a clash against American Frances Tiafoe.