Coco Gauff reeled off 10 games in a row to book her place in the fourth round of the Miami Open with a 6-4 6-0 victory over Oceane Dodin.
Third seed Gauff trailed 4-2 in the first set and had to save two break points to avoid falling further behind before clicking into top gear against Dodin, who contributed to her own downfall with consecutive double faults when serving for a 5-3 lead. The US Open champion has now won 22 of her last 23 matches on home soil dating back to her Washington title run last July.
Swiatek held on and survived another late rally from Niskova to serve out the deciding set and book a last-16 clash with Ekaterina Alexandrova. Fifth-ranked Jessica Pegula defeated Leylah Fernandez 7-5 6-4 to reach the fourth round for the third straight year. 'Leylah's a tough out,' Pegula said, after her win. 'She seems to play even better when she plays against higher-ranked people, and she didn't make it easy.