Ashleigh Barty will take on Paula Badosa in the semi-finals of the Madrid Open after beating Petra Kvitova 6-1, 3-6, 6-3 on Wednesday.
World No 1 Barty is chasing her fourth singles title of the year after her triumph in Stuttgart 10 days ago.
In the men’s draw, second seed Daniil Medvedev, returning to the circuit afer testing positive for Covid-19 in mid-April, picked up his first win on clay for two years when he came back from a set down to beat Alejandro Davidovich Fokina 4-6, 6-4, 6-2.
Fifth seed Alexander Zverev swept past Kei Nishikori in straight sets 6-3, 6-2.
World number nine Diego Schwartzman was dumped out by Aslan Karatsev 2-6, 6-4, 6-1.