Wilson is throwing an anniversary party and you can celebrate winning a trip to the US Open or Roger Federer's autographed racquet.

Wilson is commemorating its 40th anniversary as the official ball of the US Open with a Grand Slam sweepstakes offering tennis fans the chance to win one of more than 120 prizes.

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The grand prize is a trip for two to the 2019 US Open and a trip to Palm Desert, CA in March of 2019 to experience the brand's exclusive 2019 photo shoot with Wilson players.

Other prizes include 40 autographed Pro Staff Roger Federer 97 autographed racquets and Serena Williams' 104 Countervail Blade autographed racquets.

Eighty Wilson $250 gift cards will be awarded on a weekly basis as part of the sweepstakes.

Each eligible entry submitted is eligible to win one weekly prize or one autographed racquet prize, and the grand prize.

To participate in the sweepstakes, visit www.wilson.com/usopensweeps and enter by inputing the unique, one-time use entry code that can be found inside the lid of your new 40th Anniversary US Open tennis ball can or complete the Free Code Request Form and a unique, one-time entry code will be emailed to you directly.

The sweepstakes is eligible for entry from May 21, 2018-November 25, 2018 (11:59 PM Central Time).

For more information and to review sweepstake rules, please visit www.wilson.com/usopensweeps/rules.