Maria Sharapova fought back from a set down to oust China's Li Na 2-6, 7-6(5), 6-3 on Friday and claim a place in the last four of the Madrid Open.
The women's draw for the Australian Open is resembling the march of the walking wounded, with more than a quarter of the top 25 ruled out or carrying injuries into the year's first Grand Slam.
Italian Flavia Pennetta caused an upset by beating third seed Jelena Jankovic 2-6, 6-4, 6-4 in the Stuttgart Grand Prix quarter-finals on Friday.
With a career Grand Slam of major titles and a sweet-making business, Maria Sharapova dismissed the idea of staying at home and having a drink.
Ukrainian second seed Elina Svitolina ended Naomi Osaka's remarkable recent run with a 6-4, 6-2 triumph over the Indian Wells champion in the second round of the Miami Open on Friday.
Czech fourth seed Tomas Berdych bulldozed his way into the second round of the French Open by thrashing Japanese qualifier Yoshihito Nishioka 6-0, 7-5, 6-3 on Monday.
The signs that things were going horribly wrong for Roger Federer were laid bare at Roland Garros.