In the semifinal bout, Kvitova beat American Daniel Rose Collins with a score of 7: 6, 6: 0.
Czech filed four times right through and made a mistake on the pitch. Collins has two aces and four double faults.
In the decisive match Kvitova will play with the winner of the pair Karolina Plishkova (Czech Republic) - Naomi Osaka (Japan).
Earlier it was reported that Serbian tennis player Novak Djokovic reached the 1/2 final of the Australian Open.