Melbourne: When these hotties tennis beauties descend down the Melbourne tennis court the scorching heat will set to climb a few notches by Monday when year's first grand Slam Australian Opens begins. The Australian Open is all set for a January 13 start, and while top seeds Rafael Nadal and Serena Williams will be hoping to extend their wonderful run in 2014, they have competition; both in terms of their game as well as in terms of their sex appeal. Defending champion Victoria Azarenka, Caroline Wozniacki, Agnieszka Radwańska, and of course Maria Sharapova are set to raise the mercury further up in Melbourne. Gear up!Victoria Azarenka The 24-year old Belarusian would be eyeing her third consecutive Australian Open triumph this year. She began the mind games recently, when she claimed her recent reversals to world number one Serena Williams mean nothing to her. Agnieszka Radwańska The 24-year old Pol courted controversy last year with her nude photo shoot for ESPN's body issue. She will need to do a bit more than that to win in Melbourne though. Caroline Wozniacki Former World Number One, the 23-year old Dutch has not won an Australian Open yet. She recently announced her engagement with boyfriend Rory Mcllory on microblogging siteMaria SharapovaCan we have a hot-list without the tall Russian? For the record, Sharapova won the 2008 edition. Serena Williams World number one is in scorching form and don't be surprised if she upsets Azarenka's applecart in AustraliaDaniela HantuchovaDaniela Hantuchová is a Slovak tennis player. She turned professional in 1999 and had her breakthrough year in 2002, when she won her first WTA tournament. Simona HalepSimona Halep is a Romanian professional tennis player and the current Romanian number 1, out of four Romanian players in the top 60. She is currently ranked a career high number 11 in the world.