Andy Murray saw his Monte Carlo Masters challenge end at the quarter-final stage following a long tussle with sixth seed Tomas Berdych.

Britain's Davis Cup team were always likely to face an uphill task in Glasgow this weekend and Leon Smith's men will need an heroic comeback if they are to win their Europe Africa Zone Group One tie at the Braehead Arena. Belgium took a 2-0 lead after the first day's singles and need only one more point to earn a play-off for a place in the World Group in September.

Great Britain have won all five of their Davis Cup ties since Leon Smith succeeded John Lloyd two years ago but this weekend the captain faces his biggest challenge as Britain and Belgium meet at Glasgow's Braehead Arena with a place in a September play-off for promotion to the elite 16-nation World Group at stake.

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Andy Murray is the only player who has beaten Novak Djokovic twice since the Serb became world No 1 last summer but will have to wait for a chance of a third win.

Any disappointment Andy Murray felt at being denied the chance to take on the planet's second best player on Friday night will have been quickly replaced by a renewed sense of anticipation as he prepares for today's Miami Masters final against the world No 1.

For Andy Murray's sake it is probably just as well that ranking points and prize money are distributed according to the round you reach rather than the time you spend on court. The 24-year-old Scot will play in the final of the Miami Masters tomorrow despite having played only three matches in the first six rounds of the tournament.

Novak Djokovic is playing some way below the standards he set last year but the world No 1 was still too good for his fellow Serb, Viktor Troicki, in the third round of the Miami Masters last night. Djokovic recorded his 11th victory in a row over the world No 27, winning 6-3, 6-4 to set up a meeting with Richard Gasquet in the last 16.

Rafael Nadal was a convincing third-round winner at the Sony Ericsson Open as he raced past Czech player Radek Stepanek.

Andy Murray is through to the last 16 of the Miami Masters despite having played only one match in the tournament. The 24-year-old Scot, who beat Alejandro Falla in the second round after a first-round bye, was due to meet Canada's Milos Raonic last night but the world No 26 withdrew after suffering an ankle injury in practice.

Andy Murray had fallen at the first hurdle on both his previous appearances at the Miami Masters but there was rarely any danger of a repeat performance by the 24-year-old Scot yesterday.

Novak Djokovic, Roger Federer and Andy Murray have all been back in action since the Australian Open, but this weekend will mark Rafael Nadal's first appearance since his defeat in the Melbourne final six weeks ago.

Should we be jealous of Rory McIlroy, multi-millionaire golfer, reigning US Open champion and – as of Sunday – the planet's number one player? Probably not.