• Third seed beats fellow American 6-0, 6-0
• Qualifier Fearnley will face Alexander Zverev

Third seed Coco Gauff crushed fellow American Sofia Kenin 6-0, 6-0 at the Miami Open on Thursday, as the former US Open champion produced a flawless display to reach the third round.

Gauff, aiming to win her maiden Miami Open title, won 84% of her first-serve points, saved the one break point she faced and converted six of her nine break points in the 47-minute match.