Thiem maintains order on top half - US Open 2017 Sixth seed Dominic Thiem must have received the memo before his third-round match against Frenchman Adrian Mannarino: Disorder is reserved for the bottom half of the US Open men's draw; the upper half, for now at least, should maintain orderliness. The 23-year-old Austrian did his part to preserve calm on Saturday in Louis Armstrong Stadium, beating Mannarino, 7-5, 6-3, 6-4, to reach the fourth round and match his s best showing at the US Open. The Austrian also made the Round of 16 in New York in 2014 (l. to Berdych) and 2016 (ret. to del Potro). "I am pretty satisfied. I mean, it was way better than the first two rounds," Thiem said. "It was a tough match. For sure, by far, the best performance by me." Hard courts have never been Thiem's surface of choice. The big-hitting right-hander prefers the slower red clay of Europe, which allows him more time to wind up and tee off with his topspin-heavy one-handed backhand and forehand. His