Victoria Azarenka has claimed a second victory at the Australian Open by defeating Montenegro"s Danka Kovinic in the second round, 6-1, 6-2. Azarenka"s next opponent will be Naomi Osaka of Japan.<br>Max Mirnyi and Treat Huey have advanced to the doubles second round, where they will face the Brazilians Thomaz Bellucci and Marcelo Demoliner. The Belarusians Olga Govortsova, Alexandra Sasnovich, Sergei Betov and Alexander Buryi have already left the tournament.