We've teamed up with HEAD, official tennis supplier of the Barclays ATP World Tour Finals to celebrate the world's top players returning to London.

We're giving away a giant autograph ball, junior racket and player card, all hand signed by Andy Murray. The racket, a HEAD Radical 25, is the junior version of Murray's own HEAD Graphene Radical with the same distinctive orange and yellow colours.

For your chance to win, simply answer the question below by filling out the form on the right hand side of this page.

What is Andy Murray's highest ATP career ranking? 
a) No.1
b) No.2
c) No.3
d) No.4

Throughout this week HEAD are asking fans to show how they are a #gameraiser. To find out more visit head.com/tennis.

The closing date for entries is November 17, 2014. No cash alternative will be provided. Tennishead terms and conditions apply. HEAD PRO Players may play with different racquets from the model shown

This competition is no longer open for entries. The winner has been drawn from all the correct entries received by the closing date.

SOURCE: TENNISHEAD.NET