Jannik Sinner and Carlos Alcaraz march into last eight in Miami

ONTO THE NEXT: Jannik Sinner, of Italy, lunges for a ball from Christopher O’Connell. Pic:  Blackwell, AP

Second seed Jannik Sinner moved into the last eight of the Miami Open as he produced a strong showing to see off Christopher O’Connell.

The Italian came through 6-4 6-3 in windy conditions after weathering early problems. Behind 3-1 and 0-30 in the first set, he regained his composure to take five of the next six games.