Arigato, Kei 🇯🇵 | Former World No.4 Kei Nishikori Announces His Retirement From Tennis

SUBSCRIBE to our channel for the best ATP tennis videos and tennis highlights:    / tennistv   Watch live tennis streams from every ATP tournament: http://tnn.is/YouTube Download the Tennis TV app now: https://app.tnn.is/LGSS/yt-app Tennis TV is the OFFICIAL streaming service of the ATP Tour. Get live and on demand access to 2500+ matches each year from every ATP Masters 1000, ATP 500 and ATP 250 tournament plus the season-ending Nitto ATP Finals and an enormous archive of classic battles. Enjoy the ‘Best Seat in Tennis’ at home or on the go with the Tennis TV app – watch live or catch up on what you’ve missed with highlights, replays and more available on all your favourite devices across PC, Mac, iOS & Android plus Apple TV, Roku, Amazon Fire TV, Samsung Smart TV, LG Smart TV, TCL TV and Android TV as well as AirPlay and Chromecast. Get help on Tennis TV with our virtual assistant: https://tnn.is/help-youtube Buy Tennis TV merchandise in our store: https://tnn.is/store-youtube Watch the ATP Tour via a TV broadcaster: https://go.watchtenn.is/atp?p=yt Enquire about licensing ATP footage via IMG: http://imgreplay.com/client/atp_media #tennis #tennistv #KeiNishikoriRetirement, #TennisLegend, #ArigatoKei, #JapaneseTennisStar, #FormerWorldNo4