Top-ranked Jannik Sinner outlasted Alexander Zverev in a third-set tiebreaker Sunday to reach the Cincinnati Open final, while No. 1 Iga Swiatek fell to No. 3 Aryna Sabalenka in the women's semifinals. In the final Monday, Sinner will play American Frances Tiafoe, and Sabalenka will meet American Jessica Pegula. In the late match, Tiafoe rallied to beat 15th-seeded Holger Rune 4-6, 6-1, 7-6 (4).