Japan's Kei Nishikori suffered a quarterfinal loss against Germany's Alexander Zverev on Friday and crashed out of the Citi Open.Nishikori, the seventh seed and 2015 champion, was handed a 3-6, 6-1, 6-4 loss by the No. 3 Zverev at Rock Creek Park Tennis Center, falling in a decider after rain delayed the third set for nearly two and a half hours.The 28-year-old Japanese powered through the first set, breaking the German's serve once and saving two break points. But Nishikori lost momentum in the second as Zverev leaned on his serve, blasting six aces on the way to winning 87 percent of poin…READ FULL ARTICLE
