Goffin Discusses Federer Upset At Nitto ATP Finals 2017 Nov 18, 2017 David Goffin describes his emotions after claiming the biggest win of his career over Roger Federer in the Nitto ATP Finals semis. Watch live tennis at Tennis TV.com. Tags: 2017 David Goffin Interviews Nitto ATP Finals Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus