Novak Djokovic continues unbeaten record at ATP Cup as Rafael Nadal pulls out

Novak Djokovic claimed a 7-5 7-5 victory over Canada’s Denis Shapovalov at the ATP Cup (Hamish Blair/AP)
Novak Djokovic claimed a 7-5 7-5 victory over Canada’s Denis Shapovalov at the ATP Cup (Hamish Blair/AP)