Victoria Azarenka battling to be fit for Australian Open after having minor surgery on toe . World No . 1 pulls out of Friday 's semifinal against Serena Williams at Brisbane warmup event . U.S. Open champion Williams will play Russia 's Anastasia Pavlyuchenkova in final . TL;DR
Victoria Azarenka battling to be fit for Australian Open after having minor surgery on toe . World No . 1 pulls out of Friday 's semifinal against Serena Williams at Brisbane warmup event . U.S. Open champion Williams will play Russia 's Anastasia Pavlyuchenkova in final . Andy Murary into semis of men 's event , while Novak Djokovic will play in final of Hopman Cup .