The Dunlop Grand Prix Regular Duty tennis balls provide consistent performance for tournament-style play and is particularly suited for clay court and indoors court surfaces.

The Dunlop Grand Prix Regular Duty is the Official ball of the WTA 1000 Miami Open and WTA 500 Credit One Charleston Open. With the Grand Prix Regular Duty tennis balls from Dunlop, consistent performance comes standard. Enhanced with a premium woven felt for brighter visibility and our specialized rubber core for unmatched feel, the Grand Prix Regular Duty tennis balls are equally suited for tournament play and coaching. Dunlop is also the Official ball of brand the RSPA.

The Grand Prix Regular Duty Tennis Balls contains 72 balls per case.