Austria’s Dominic Thiem will play against Germany’s Alexander Zverev in the US Open final for their first Grand Slam titles after they won their last-four matches in contrasting styles Friday. Second seed Dominic Thiem ousted third-seeded Russian and last year’s runner-up Daniil Medvedev in a closely fought three-setter that was packed with powerful baseline rallies and impressive serving. The 27-year-old Thiem won 6-2, 7-6 (9/7) 7-6 (7/5)