Maria Sakkari set for maiden WTA final after ousting Danielle Collins in San Jose
Mihaela Buzarnescu standing between Greek and title.
Defending champion Petra Kvitova eases into Birmingham final
Two-time Wimbledon champion yet to drop a set.
Naomi Osaka breezes into Nottingham Open quarter-final
Naomi Osaka made light work of Denisa Allertova to reach the quarter-final of the Nottingham Open.
Petra Kvitova sets up final against Mihaela Buzarnescu
Petra Kvitova beat Zhang Shuai in straight sets to reach the final of the Prague Open.