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 . Meanwhile , defending champion Andy Murray moved into the semifinals of the Brisbane men 's event with a 6-4 7-6 ( 7-3 ) win over Uzbekistan 's Denis Istomin on Friday . 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 . TL;DR