<prompt> Wozniacki uqale isizini yakhe ngokumela iDenmark ku-2012 Hopman Cup  <response>: noFrederik Nielsen njengomlingani wakhe. UWozniacki unqobe imidlalo emibili emidlalweni yakhe emithathu ye-round robin, wanqoba uBethanie Mattek-Sands noTsvetana Pironkova, wabe esehlulwa nguNombolo 2 womhlaba uPetra Kvitová. Umcimbi wakhe wokuqala we-WTA kwakuyi-Apia International Sydney. UWozniacki unqobe uDominika Cibulková ngesikhathi ehamba ngemuva ngo-4-0 kusethi yesithathu. Uhlulwe ngu-Agnieszka Radwańska amasethi amathathu kuma-quarterfinals, ngemuva kokukhonza umdlalo ngo-54 kusethi yesibili. 