Rafael Nadal is in second round action at the US Open later today and you can back the world number one risk free to win the final Grand Slam of 2010

Betclic are offering new customers a £20 risk free bet for use on the 2010 US Open and should your first bet lose, you'll receive your stake back in FULL!

By "risk free", simply put, if your first bet placed does not win, Betclic will refund your stake in full, no questions asked. So if you were to back Nadal to win the Men's singles, or the likes of Roger Federer or Andy Murray, then should your selection not win, then you'll receive your stake back in full!

You can discuss the 2010 US Open on our Facebook page!

There's also the chance to win a Caribbean holiday as part of Betclic's prize draw, which is now open, running through to September 15th.

There are 100 prizes to be won, including iPad's and Sony and Samsung TV's and getting involved is simple.

To enter the competition, simply:
- Login to your (or open an) Betclic account
- Place at least three bets of £5 minimum each on odds greater than 1.20.

That's it! 100 people will win and the 100 winners will be drawn on September 21st.

Whether you're putting your money on Federer or Nadal, or of you're looking to back the likes of Andy Murray or David Nalbandian, then a low risk strategy is a smart option and by following the link below to Betclic, you can place your bet free as if your selection fails to win the US Open, you'll get your stake back in full!