Naomi Osaka was left to rue missed opportunities as veteran Karolina Pliskova edged her in the Qatar Open quarter-finals on Thursday night.
Karolina Pliskova put an end to Naomi Osaka's long-awaited return in the second round of the Brisbane International on Wednesday.
The Madrid Open will go ahead without WTA stars Ons Jabeur and Karolina Pliskova, who have withdrawn due to injury.
Aryna Sabalenka gave a statement of her intent at the Australian Open by powering past Belinda Bencic to reach the quarter-finals.