Wimbledon champion Elena Rybakina is through to the Miami Open quarter-finals after beating Elise Mertens in straight sets.
The Kazakh 10th seed defeated her Belgian opponent 6-4 6-3.
Rybakina is now unbeaten in 11 matches and knows victory in Miami would see her achieve the rare ‘Sunshine Double’ following her title win at Indian Wells earlier in March.
She is up against Italy’s Martina Trevisan in the last eight.
It will mark a first WTA 1000 quarter-final for 25th seed Trevisan after she beat Latvia’s former French Open champion Jelena Ostapenko 6-3 6-3.
Elsewhere, Belarus’ world number two Aryna Sabalenka and world number three Jessica Pegula of the United States both progressed to the last-eight.
Australian Open champion Sabalenka will play Sorana Cirstea in the last eight after she beat Czech Republic’s Barbora Krejcikova 6-3 6-2, while Pegula defeated Poland’s Magda Linette 6-1 7-5 to set up a meeting with Russia’s Anastasia Potapova.
Bianca Andreescu’s tournament is over after the Canadian withdrew from her match against Ekaterina Alexandrova because of injury.