The United States beat Germany 2-1 in their Davis Cup clash on Saturday to make sure of top spot as the Germans had to settle for second. After seeing off Chile and Slovakia, both nations had already qualified for November’s finals in Malaga but the chance of a better draw in the finale was up for grabs in Zhuhai, China. Brandon Nakashima defeated Maximilian Marterer 6-4, 6-2 after debutant Henri Squire lost to Reilly Opelka 7-6 (7-4), 6-7 (9-11), 3-6 despite three match points. “I played good tennis,” Squire said. “I was super nervous at the start. It was a lot of effort. There was a lot of t…