Nishikori Discusses del Potro Win At Washington 2017 Aug 04, 2017 Kei Nishikori reacts to his third-round victory over Juan Martin del Potro on Thursday at the Citi Open. Watch live tennis at tennistv.com. Tags: 2017 Interviews Kei Nishikori Washington Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus