Andre Agassi believes American men's tennis has to "regroup at grass roots level".
Top seed Caroline Wozniacki eased into the second round of the BMW Malaysian Open in Kuala Lumpur.
Former Wimbledon champion Marion Bartoli has sparked speculation she will come out of retirement.
Grand slam champions Stan Wawrinka and Marin Cilic have joined the field for the Aegon Championships at Queen's Club.
Andy Schooler profiles the players and looks at the relevant statistics ahead of this week's Great Britain v USA Davis Cup tie.
Catching On is as short as 7/1 for the Midlands Grand National after a win today, while we've go the latest on tonight's football.
Croatia's US Open champion Marin Cilic has withdrawn from this week's Davis Cup tie against Serbia.
Ahead of this week's GB v USA clash, Andy Schooler remembers some classic British Davis Cup ties in his latest Net Talk column.
Andy Murray has slipped to fifth in the ATP world rankings after he was leapfrogged by the in-form Kei Nishikori.
Sixth seed Kurumi Nara has booked her place in the second round of the BMW Malaysian Open on Monday.