Barry Cowan reflects on Great Britain's Davis Cup defeat by Italy

Ultimately it has been a Davis Cup campaign with many positives for Great Britain, but one inescapable truth was again exposed - we rely too much on Andy Murray.

Davis Cup 2014: Britain will beat Italy if Fabio Fognini is ruled out

Defeating America in the Davis Cup was a real achievement – but overcoming Italy would top it.

'Andy Murray should wait until after Wimbledon to pick new coach'

All eyes will be on Andy Murray at the Sony Open in Miami. People will be eager to see whether he can retain the title he won for the second time last year, but there will be added pressure, too, because of his early-ish exit at Indian Wells and his split with coach Ivan Lendl.

Indian Wells: Rafa Nadal the man to beat but Grigor Dimitrov a growing force

Indian Wells is the unofficial fifth Grand Slam.

Barry Cowan looks ahead to the ATP 500 tournaments in Dubai and Acapulco

Rafa Nadal began his incredible run of form last year by picking up the Acapulco title.

Davis Cup: 'Hothead' Fabio Fognini will test Andy Murray on clay in Italy

You only have to look at the last time Great Britain won a match in the main Davis Cup draw - 1986 - to see how big a result the victory over America is.

Australian Open champion Stanislas Wawrinka 'will not be a one-hit wonder'

I still can't quite believe that Stanislas Wawrinka is a Grand Slam champion - and I'm not sure he can either!

Stanislas Wawrinka must 'swing from the hip' to beat Rafael Nadal

Stanislas Wawrinka has lost all 12 of his matches - and all 26 of his sets - against Rafael Nadal but that doesn't paint the full picture.

Australian Open Final: Experienced Li Na can see off Dominika Cibulkova

It's a big shock that Serena Williams won't be playing the Australian Open women's final on Saturday.

Murray v Federer: Barry Cowan says Brit will be too strong for Swiss

There was a time when I expected Roger Federer to win every match he played in - bar when he met Rafael Nadal on clay - but those days are gone.

Australian Open: Delay start times to combat heat, says Barry Cowan

The heat at the Australian Open is nothing new but I think it is more of a factor now because the game is so physical.

Australian Open: Andy Murray braved heat and all set to make second week

With conditions as hot as they are at the Australia Open, Andy Murray will be delighted that he polished off Go Soeda in quick fashion.

Australian Open: Andy Murray and Laura Robson can make quarter-finals

I took enough encouragement from Andy Murray's loss to Florian Mayer in Doha last week to suggest that he can do pretty well at the Australian Open.

Novak Djokovic has expressed doubts by hiring Boris Becker, says Barry Cowan

I was surprised that Novak Djokovic brought in Boris Becker as his new coach because it suggests that the Serb's confidence is not as high as you would expect.