Australian Open: Red-hot Petra Kvitova blazes past Danielle Collins into final

Collins, who had a dream run to make the final four on her Australian debut, became flustered after Kvitova won a first-set tie-breaker and her game fell apart in the second set.

Petra Kvitova of the Czech Republic celebrates after defeating United States' Danielle Collins in their semifinal at the Australian Open tennis championships in Melbourne. (Photo | AP)