Jannik Sinner ignored a mid-match rain interruption lasting nearly three hours as he booked his quarter-final spot at the ATP-WTA Cincinnati Open with a 6-4, 7-6 (7/4) victory over Adrian Mannarino.

The world number one, playing his first tournament since lifting the trophy at Wimbledon, notched his 24th consecutive hardcourt match win to enter his fifth quarter-final of the season.

The win required patience, with the Italian who turns 24 on Saturday passing some of the afternoon weather pause by playing cards with his team.

Sinner and Mannarino returned to action with Sinner leading 6-4, 1-2. But the Frenchman's tricky game took a toll as Sinner was broken while trying to serve out a straight-set win.

The second set instead went to a tiebreak, with the Italian firing his 11th and 12th

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