The Tennis Professions Dominik Koepfer (Furtwangen) and Jan-Lennard Struff (Warstein) have failed at the dress rehearsal for the US Open in the second round finale. At the ATP tournament in Winston-Salem / USA, Koepfer had to give up to the top-set Spaniard Pablo Carreno Busta with 2: 6, 3: 6, Struff Underlay Ilja Iwaschka from Belarus 2: 6, 1: 6. The 27-year-old Koepfer (No. 16) had achieved the round of the last 16 by a difficult victory over the Italian Marco Cecchinato (5: 7, 6: 4, 6: 4). Articles and videos about the topic * New ‘Big Four’? That says Olympic champion Zverev * Experience top sport live on Dazn. Get your free month now! The STRUFT (31) set at position was a smoother success over Cecchinatos Landsmann Gianluca meager (6: 2, 6: 2). The US Open in New York starts on Monday.