Penn QST 36 vs Wilson US Open Extra Duty

The Penn QST 36 is a low-compression ball designed for junior players and beginners. It is 75% slower than a standard tennis ball, making it easier for young players to learn the game and develop their skills. The ball is designed for use on 36-foot courts, providing a consistent bounce that helps build confidence. It is a great tool for tennis programs and parents who want to introduce their chil...

The gold standard of tennis balls, the Wilson US Open is the official ball of the US Open Grand Slam. Engineered with premium woven felt, it offers superior consistency and playability on hard courts. It is the preferred choice for professional tournaments and serious club players who demand a predictable bounce and reliable spin response. The extra-duty felt ensures the ball lasts through long, g...