Watch all the highlights from this crucial Round Robin showdown as third seed Alexander Zverev and No. 8 seed Jack Sock battled it out to decide who would progress to the semi-finals at the Nitto ATP Finals in London.
Alexander Zverev v Jack Sock
Match Highlights
London
2017RRRR
Watch all the highlights from this crucial Round Robin showdown as third seed Alexander Zverev and No. 8 seed Jack Sock battled it out to decide who would progress to the semi-finals at the Nitto ATP Finals in London.
