Dimitrov, Goffin to fight for ATP Finals title

Mirka Federer (2nd L), wife of Roger Federer of Switzerland, watches the singles semi-final match between Roger Federer and David Goffin of Belgium at the Nitto ATP World Tour Finals at O2 Arena in London, Britain on Nov. 18, 2017. David Goffin won 2-1. (Xinhua/Han Yan)