Aryna Sabalenka advanced to the quarterfinals at the Australian Open, where she's three wins from achieving something no woman has done since the 1990s. The two-time defending champion extended her winning streak at Melbourne Park to 18 matches with a 6-1,

It wasn't often pretty, but two-time defending Australian Open champion Aryna Sabalenka has extended a few impressive streaks while becoming one of the first players to advance to the fourth round of the year's opening Grand Slam tournament.

Australian Open is lining up to be a classic for the Grand Slam title and the WTA world number one ranking. Iga Swiatek and Aryna Sabalenka, the two leading contenders for the women's singles crown, are fighting for the number one position.