MELBOURNE, Jan 26 : On tennis's biggest stages, Alexander Zverev plays by the arena's timing, the serve clock and the changeover, while a quieter countdown of his blood sugar runs beneath the noise. "There are definitely two games happening at the same time: there's the match everyone sees and then there's the one only I feel," Zverev told Reuters recently, describing life with type 1 diabetes. "If I don't manage my diabetes properly, I can't compete at the level I expect." The German third

Tag-uri: Australian Open