Sock boosts ATP Finals hopes with win over Cilic
Jack Sock recovers from an opening-day defeat by beating Marin Cilic in the second round of group matches at the ATP Finals in London.
Source: http://www.bbc.co.uk/sport/tennis/41987717
Jack Sock recovers from an opening-day defeat by beating Marin Cilic in the second round of group matches at the ATP Finals in London.
Source: http://www.bbc.co.uk/sport/tennis/41987717