Dominic Thiem handed Rafael Nadal's first loss on clay this season with a straight sets 6-4, 6-3 win in the quarterfinal match in Rome. Meanwhile John Isner punched his ticket to the semifinals with a hard-fought 7-6(3), 2-6, 7-6(2) win over Marin Cilic. Next up for the American is 20-year-old Alexander Zverev, who took out No. 5 seed Milos Raonic 7-6(4), 6-1.
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