MIAMI GARDENS, Fla. — John Isner was broken in the first game but he held the rest of the way and hit 16 aces to beat Albert Ramos-Vinolas 7-5, 7-6 (6) Sunday in the third round of the Miami Open.
Isner, now 33, won the biggest title of his career in the tournament a year ago. He is seeded seventh this year.
Isner will next face No. 19-seeded Kyle Edmund, who beat No. 12 Milos Raonic 6-4, 6-4.
In women's play, Venus Williams reached the fourth round of the tournament for the 16th time with a 6-3, 6-1 win over No.