Miami Open Results
Petra Kvitova (3), Czech Republic, def. Maria Sakkari, Greece, 6-1, 6-4.
Wesley Koolhof, Netherlands, and Stefanos Tsitsipas, Greece, def. Karen Khachanov and Daniil Medvedev, Russia, 6-1, 6-4.
Marcel Granollers, Spain, and Nikola Mektic (7), Croatia, def. Steve Johnson, United States, and Dominic Thiem, Austria, 7-6 (4), 7-5.
Elise Mertens, Belgium, and Aryna Sabalenka, Belarus, def. Danielle Collins, United States, and Jelena Ostepenko, Latvia, 6-3, 6-0.