Updates from the quarter-final at Rod Laver ArenaAny thoughts? Email or tweet @mike_hytner 2.16am GMT
First set: Barty* 1-2 Kvitová (* denotes server) Here we go then, Kvitová continues her ominous start to this match with the first break of the day! To love at that, and secured with a belting forehand crosscourt winner that Barty can’t get anywhere near to. The Czech is looking good so far. 2.14am GMT
First set: Barty 1-1 Kvitová* (* denotes server) Kvitová sets out her stall early in an entirely more comfortable service game, which she wins to love. Probably a good time to remind yourselves of the Czech’s incredible journey over recent years, courtesy of this interview with Simon Hattenstone:
Related: Petra Kvitová: ‘I didn't know if I'd be able to hold a racket again’