Simona Halep is one step closer to reclaiming the world number one spot.
She defeated China's Wang Qiang in two sets to reach the semi-finals of the Miami Open.
If Halep reaches Saturday's final, she'll overtake Japan's Naomi Osaka at the summit of the women's rankings.
Meanwhile, Roger Federer is safely through to the quarter-finals of the Miami Open. The three-time champion beat Russia's Daniil Medvedev in straight sets.
He'll now face South Africa's Kevin Anderson, who beat Jordan Thompson 7-5 7-5.
In six meetings, Federer has only lost to Anderson once. That loss came in the quarterfinals of Wimbledon in 2018.

Budimir gives Croatia win to eliminate Panama in Group L
England fail to break down Ghana in goalless draw
Ronaldo guides Portugal to big win over Uzbekistan
US eases restrictions on Iran's world cup team
Pant returns to Delhi in IPL swap with Kuldeep
