Listen to what Roger Federer made of his three-set victory over Alexander Zverev as he sealed a place in the semi-finals of the Nitto ATP Finals for the 14th time in 15 visits.
London 2017 Federer Interview
Interviews
London
2017RRRR
Listen to what Roger Federer made of his three-set victory over Alexander Zverev as he sealed a place in the semi-finals of the Nitto ATP Finals for the 14th time in 15 visits.
