Top-ranked Jannik Sinner outlasted Alexander Zverev in a third-set tiebreaker to reach the final of the Cincinnati Open, while No. 1 Iga Swiatek was defeated in the women's semifinals by No. 3 Aryna Sabalenka.
Sabalenka will face American Jessica Pegula in Monday's final, while Sinner will play either American Frances Tiafoe or No. 15 seed Holger Rune.
Sinner on Sunday emerged with a 7-6(9) 5-7 7-6(4) victory after 3 hours, 7 minutes, tying Casper Ruud for the ATP Tour lead by reaching his fifth final of the season. Sinner leads the tour with four titles this season.
The first set lasted more than an hour and the match also was suspended for 30 minutes by rain.
Zverev, the No. 4 seed, had won four straight meetings against Sinner. Sinner finished with a 124-121 edge in total points.
"I think we both raised our level when it counted," Sinner said.
"The tiebreaker can go both ways. I just tried to stay there mentally. Obviously, I'm happy to be in the final."
Sinner, who's been de
