It has been coming down to the wire at the season-ending championships in London as the semi-finalists were determined on Friday and Saturday.
Switzerland's Stanislav Wawrinka has spent most of his career in the shadow of his friend and countryman, Roger Federer, but he has stepped out into the spotlight by overtaking the former world number one in the rankings and excelling himself in his first appearance in the Barclays ATP World Tour Finals.
On Friday he took out the world number 3, David Ferrer, 6-7(3) 6-4 6-1 at The O2 and maintained his chance to reach the semi-finals.
Novak Djokovic took another step closer to defending his World Tour Finals title at The O2 in London on Thursday when he scored a win over Juan Martin Del Potro.
The Serbian reached the semi-final following a tight three-setter against the giant Argentine, joining Rafael Nadal, who qualified on Wednesday.
Djokovic scored a 6-3 3-6 6-3 win over Del Potro and, afterwards, the world number two said he had commanded the deciding set well.
Barclays has been the title sponsor of the ATP World Tour Finals since it was first stage at The O2 in London, and the bank uses the opportunity to reach out to wider community.
Throughout the year it runs its Barclays Ball Kids recruitment programme, with its own website at www.barclaysballkids.com where next year's crew is already being signed up, as the 30 12-16 year olds selected from over 1,500 applicants work this year's event.
Barclays has also recently refurbished tennis courts across four Spaces for Sports sites, to replicate the look of the centre court at the Barclays ATP World Tour Finals while other.
In a new innovation, the 2013 Barclays ATP World Tour Finals is bringing fans closer to the action than ever before with a twice-daily live show presented directly from The O2.
Holding Court Live Presented By Barclays is hosted by Rob Curling and features the expert opinion of British doubles specialist Ross Hutchins, who narrowly missed out on qualifying for the season finale with Colin Fleming last year.
National sporting plaudits in south Hertfordshire tend to go to Saracens or Watford FC, but now a small tennis centre has stepped into the limelight after being named this years ‘Place to Play' at a prestigious awards ceremony.
Langley Tennis Club, about five miles north of Watford in Hertfordshire, has just been named the ‘LTA Place to Play of the Year' by the Lawn Tennis Association, the sport's governing body in Britain.
The presentation came at the annual British Tennis Awards in London on Tuesday.
The year-end finals not only showcases the best eight performers on the tennis court, but also offers them a platform for them to comment on all manner of things.
Novak Djokovic has been quite vocal about his compatriot's ban over the past weeks and was clearly upset by the decision of the Court of Arbitration of Sport to merely reduce Viktor Troicki's ban for skipping a blood test in the spring from 18 to 12 months, making him eligible to return to the tennis tour on July 15, 2013.
Asked about his reaction to the ban, Djokovic pulled out an extraordinary 1043-word statement to read...
He may be missing from the final line-up at the Barclays ATP World Tour Finals at the O2 but Andy Murray is not far away from everyone's thoughts, particularly the media.
In his new autobiography, Andy Murray: Seventy-Seven: My Road to Wimbledon Glory (to be published by Headline on 7 November, RRP £20), which is being serialised in The Times, the British number one reveals how the huge weight of expectation to win Wimbledon caused him painful side effects
The top 8 singles players and 8 doubles teams are here in London to compete at the season-ending Barclays ATP World Tour Finals at London's O2 Arena.
The only absentee is Andy Murray, currently recovering from back surgery six weeks ago.
The world number three says he will only play when he is fully fit again, even if it means he must miss the Australian Operne in January.
As the Barclays ATP World Tour Finals get under way at London's O2 Arena, the women's game is wrapping up its loose ends ahead of the rest season.
Romania's Simona Halep completed her breakthrough season by capturing the Tournament of Champions, her sixth career title of the year, and Italy won the Fed Cup for the fourth time.
He was at The Queen's Club to launch the next generation of the Radical racquet series: the HEAD GrapheneTM Radical, but the world's media was more interested in how Andy Murray's recuperation is going after his back surgery six weeks ago.
The Wimbledon champion is using the very best facilities for his rehabilitation and is making daily visits to the training headquarters of English Premier League soccer club, Chelsea.