HEAD and (RED) are partnering to help fight AIDS. The HEAD stars, including Novak, Maria Sharapova, Sloane Stevens, Tomas Berdych, Andy Murray, Marin Cilic and Richard Gasquet show their support to the campaign.

Be part of a good cause! Support (RED)’s fight against AIDS and get the chance to win a signed 2014 (Head) Red MonsterCombi Bag or Backpack by posting your selfie on instagram with a red item of your choice.

For more information, please visit: http://head.com/red.