British number one Cameron Norrie booked his place in the last 16 of the Miami Open with a straight-set 6-3 7-5 win over Hugo Gaston.
Norrie broke his French opponent once on his way to taking the first set, but had to battle in the second.
Gaston saved several match points as he held serve and then broke Norrie when on the brink of defeat.
But Norrie, 26, broke back instantly, sealing victory in the final game of the second set.
More to follow.
