Canada's teen star Denis Shapovalov puts the umpire in hospital by smashing the ball into his face in flash of temper.
SA Davis Cup skipper Marcos Ondruska is full of confidence after Estonia demolition, writes Ockert de Villiers.
South Africa reach the second round of the Davis Cup's Euro-Africa Group II after beating Estonia 3-0 at Irene Country Club on Saturday.
Novak Djokovic survived an injury scare and battled back from a set and a break down to help Serbia take a 2-0 lead over Russia in the Davis Cup.
Novak Djokovic admitted he was wary of rivals Russia as he returns for Serbia in Davis Cup World Group first round action this weekend.
Maria Sharapova says she refused to feel sorry for herself during her ban, occupying her time by studying at Harvard, writing a book and boxing.
Novak Djokovic and Nick Kyrgios hope the Davis Cup can heal the wounds of their painful Australian Open exits when play starts this weekend.
Nick Kyrgios says playing in the Davis Cup has helped him deal with the furor over his shock second round meltdown at the Australian Open.
SA scored a major coup as it managed to rope in tennis legend Wayne Ferreira as an consultant to Davis Cup captain Marcos Ondruska.