Keys holds off Mertens for 14 straight wins. Coco Gauff defeats two-time finalist Maria Sakkari 7-6 (1), 6-2 in a rematch of last year’s rain affected semifinal. Belinda Bencic set up a meeting with Gauff, taking out 13th seed Diana Shnaider. Aryna Sabalenka improved to 3-0 against Italian Lucia Bronzetti. No. 19 seed Donna Vekic eliminated No. 10 seed Emma Navarro, her first Top 10 win since she beat Coco gauff at last year’s Olympics. The World No. 1 hit 24 winners to just 17 unforced errors and excluding a 2-0 deficit in the second set, largely cruised in the 6-1,6-2 result. The Australian Open champion is bidding to reach the quarterfinals here for the second time, following her 2022 run. She has now won all nine three-set matches she has played in 2025. The last time she lost a deciding set was a 6-7(5), 7-5, 6-4 heartbreaker in the fourth round of the US Open last year.