Analyse @WTA's tweets
.@Petra_Kvitova books her place in the @AustralianOpen quarterfinals!
Defeats Amanda Anisimova 6-2, 6-1 to reach the final eight in Melbourne for the first time since 2012! https://t.co/MHyNQUVl96
Defeats Amanda Anisimova 6-2, 6-1 to reach the final eight in Melbourne for the first time since 2012! https://t.co/MHyNQUVl96