Federer Del Potro Secure Basel 2017 Final Berths Oct 28, 2017 Watch highlights from the Basel semi-finals, where longtime rivals Roger Federer and Juan Martin del Potro set a championship clash. Watch live tennis at tennistv.com. Tags: 2017 Basel Highlights Juan Martin del Potro Roger Federer Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus