Kvitová's breakthrough season in 2011 began with a title in Brisbane and her first quarterfinal apperance at the Australian Open, where she lost in straight sets to then world no.2, Vera Zvonareva.
Kvitová's breakthrough season in 2011 began with a title in Brisbane at the Australian Open. Kvitová's breakthrough season in 2011 began with a title in her first quarterfinal apperance at the Australian Open. She lost in straight sets to then world no.2. Vera Zvonareva was then world no.2.