No. 1 seed Jannik Sinner of Italy needed just an hour and 15 minutes to dispose of 23rd-seeded Canadian Felix Auger-Aliassime 6-0, 6-2 to advance to the semifinals of the Cincinnati Open Thursday in Mason, Ohio.

Sinner got off to a dominant start to his quarterfinal matchup, winning the first set in 27 minutes and losing just two points across his three first-set service games. Auger-Aliassime broke Sinner to start the second set and opened a 2-0 lead, but the Italian roared back, winning each of the next six games to close out the match.

"I had a small drop in the second set when he broke me. It could have been a small change but I am happy I broke him back quite early," Sinner said. "He is a very difficult opponent because he serves well, he moves well, physically in incredible shape a

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