French Open champion Ashleigh Barty and World No.3 Karolina Pliskova are the favourites for the title after Kvitova was forced to withdraw.
Petra Kvitova is still hopeful of playing at Wimbledon after withdrawing from next week's Nature Valley Classic in Birmingham.
The Czech sixth seed was tipped as one of the favourites to win the title at Roland Garros.
Ubitennis' guide to the five women who could exit the French Open as world No.1.
Petra Kvitova was too good for Caroline Garcia as she booked her place into the quarter-finals in Madrid.
Petra Kvitova is looking to be the first WTA player to win a single Premier Mandatory four times in Madrid this week.
Naomi Osaka battled back from a seemingly impossible position in the decider to edge out Donna Vekic and reach the semi-finals in Stuttgart.
The world No.2 spoke about the verdict following her exit from the Miami Open.
The world No.2 delivered her verdict on the subject after reaching the quarter-finals of the Miami Open.
Simona Halep and Petra Kvitova breezed to comfortable straight-sets wins to increase the likelihood that they will face each other in the final.
Petra Kvitova remains focused on the Miami Open despite the possibility of claiming the world number one spot next week.
Petra Kvitova got her Miami Open campaign off to a flyer with a straight-sets win over Maria Sakkari.
Venus Williams sets up a round two clash with Petra Kvitova in Indian Wells after struggling past the heat and Andrea Petkovic.
The world No.3 opens up about the talk she had with the nine-time grand slam winner.
Belinda Bencic beat Petra Kvitova for the first time to earn her second WTA Premier 5 title in Dubai.
The two grand slam champions have given their insight about the world No.1 following her recent loss.
Petra Kvitova has praised the Dubai field ahead of another great week in the Middle East as Elina Svitolina prepares to defend her title.
Kvitova was a loser on the court, but remains a winner off.
The coach of the two-time grand slam champion speaks ahead of the women's final at Melbourne Park.
At one point many thought Kvitova's career was over after a shocking incident, but determination and belief has elevated her back to the top of women's...