Novak Djokovic has won the last two ATP World Tour Finals at London’s O2 Arena – and the betting market seems to suggest he’s a foregone conclusion to win the 2014 event too.

This is understandable; with Rafael Nadal out due to an appendix operation, Djokovic’s competition has been diluted. It seems as if the main challenge will come from veteran Roger Federer and UK hopeful Andy Murray.

As things stand the pre-tournament betting, Djokovic is a 5/6 chance, followed by Roger Federer at a best-priced 4-1 and Andy Murray available at a maximum of 7-1.

And if you were staking your life on this one – then no doubt Djokovic would be your man. But if you’re looking for a little value in the market, then maybe the fourth favorite, 24 year-old Japanese player Kei Nishikori is the man to follow? Nishikori has been on the up and up this season and has made it all the way to number five in the world rankings. This puts him higher than Andy Murray and the youngest and fastest rising of the world’s top men’s tennis pros. His performance at the O2 will be fascinating to watch and this may be the tournament where he truly announces his arrival on the world stage – and at a best-priced 16-1 with some major bookmakers, he’s a great value bet.

You may even be able to build a decent stake through a 200% bonus on tennis bets. The online casino and gaming site BGO offers an immediate 200% bonus to new players joining the site and depositing cash – so you’ve tripled your money straight away. And the same site has one of the best virtual tennis games you’re ever likely to see.

If you click here to play online, you can of course dabble in some casino gaming but you can also play a little virtual tennis which is pure fun and unbelievably realistic. You can maybe tell that the animation is computer-generated, but that’s a real ‘maybe’ it’s so real looking. The sound effects are superb too from the umpire’s calls to the grunts as the servers play the big shots. The mounting excitement in the crowd also helps make the whole experience more realistic than you can possibly imagine if you haven’t looked at this kind of thing previously.

The players look like they’re playing at Wimbledon in the height of summer, though, rather than indoors in the depths of a London winter. So if you’re looking for any insights into the ATP – you’re not going to find them here!

Overall, then, Djokovic’s name is probably going onto the trophy for the third time on the bounce and to add to his 2008 win. But it ain’t necessarily so. There wouldn’t be a dry eye in the house if the 33 year-old Roger Federer could make it a record seven wins in the tournament he last won three years ago. And the young upstart from Japan, Kei Nishikori may just be getting is name on the trophy for the first time.