The ATP World Tour Finals tournament played at the end of each year, involving the top eight players in the men's tennis world rankings.
Unlike most of the other events on the men's tour however, the finals are not a straightforward knock-out tournament.
London will again host the tournament in 2011 and the schedule ensures only the strongest will survive the gruelling round of fixtures before booking their final berth.
UK tennis fans and bettors focusing on ATP World Tour Finals betting know this is one of the highlights of the year, with a rich history of producing brilliant tennis which ensures sell out crowds, blanket media coverage and added interest from online bookmakers who will throwing out a flurry of free bets to attract UK internet gamblers chasing a piece of the action.
Roger Federer and Rafa Nadal contested last year's final and as the magnificent duo start to make inroads into their 2011 schedule, much of the interest in tennis betting and ATP World Tour Finals betting in particular will be on whether they can continue to rack up the results to justify their places at the top of the standings.
The round robin format gives great scope for online ATP World Tour Final betting. Tennis betting can be broken to individual points, let alone games or sets, and live ATP World Tour Finals betting offers a great opportunity for the predictor looking for value tips ahead of these keenly contested fixtures which come at the end of a long campaign.
The Barclays ATP World Tour Finals betting markets will no doubt be dominated by the leading European pair, but it is worth noting there can be surprises in the tournament. The dates can be a tournament too far for even the freshest of players, and ATP World Tour Finals betting on the likes of Novak Djokovic (or even Andy Murray) to have a strong run to the latter stages will attract interest, especially if their results in the latter stages of the year keep them towards the top of the standings.
As one tennis writer said: "There have been mutterings from the sport's leading lights about the marathon nature of the season and it is important to keep an eye out for schedule announcements when making ATP World Tour Final betting predictions.
"The odds may appear impossible to ignore on an ATP World Tour Finals bet on the likes of multiple past winner Federer, for example, but eventually a change is going to come, and it is perhaps in these tournaments, one step down from the majors , where the first cracks will start to appear.
"Before the final stages of the tournament, the odds on ATP World Tour Final 2011 betting will be on the players at the top of the rankings tree, but the nature of the tournament, slightly drawn out and where one loss does not signal the end, means there will be added opportunity for online ATP World Tour Finals betting.
"Look for the second-placed player in each group when making ATP World Tour Finals bets. The players who scrape through to the latter stages will be dangerous foes, with nothing to lose and all to gain and if they can momentum, then these players are the ones to watch with live ATP Tour Finals betting tips.
"The major dates in the calendar will give the best guide to the players in form heading into the tournament, and ATP World Tour Finals betting on players who traditionally peak later in the year will be worth investing in with a free bet - from your online bookmaker of course!
"Punters should look to pick the group winners with their ATP World Tour Finals bets, and then follow those up with semi-final and final winners. Look at number of aces, sets and games won for variety in your ATP World Tour Finals bets - but remember to keep a very close eye on Roger Federer.”