CINCINNATI - Canada's Felix Auger-Aliassime advanced to the fourth round of the Cincinnati Open tennis tournament with a 7-6 (4), 4-2 win over France's Arthur Rinderknech on Monday.

Rinderknech collapsed under the heat earlier in the match, got backup, but retired in the second set with Auger-Aliassime in the lead.

Auger-Aliassime fired seven aces and won a blistering 87 per cent of his first-serve points.

The Montreal native also broke on two of his 11 opportunities while holding Rinderknech to one breakpoint chance that was unsuccessful in the two-hour, one-minute match.

Auger-Aliassime will next face the winner between Greece's Stefanos Tsitsipas and France's Benjamin Bonzi.

Later Monday, top-ranked Jannik Sinner of Italy outlasted Montreal's Gabriel Diallo 6-2, 7-6 (6) after a len

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