Federer Reflects On Hard-Fought Halle SF Win 2017 Jun 24, 2017 Roger Federer assesses his performance thus far in Halle, following a tight semi-final victory over Karen Khachanov. Watch live matches at tennistv.com Tags: 2017 Halle Interviews Roger Federer Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus