Explosive, precise, and built for champions — the Siux Electra Stupa Pro ST4 is the official racket of Franco Stupaczuk, one of the most electrifying players on the professional circuit. Designed for advanced and pro-level players, it delivers the perfect blend of power, control, and responsiveness to match an elite attacking game.

Constructed with a 15K Carbon 45º face, it offers outstanding stiffness and energy return for crisp, powerful shots. The EVA Hard core enhances reactivity and precision, while the hybrid teardrop shape ensures a superb balance between explosive power and pinpoint control. Finished with a bold Electra Pro design, it’s every bit as fierce as the player who inspired it. 

Play fast, strike hard, and dominate like a pro with the Siux Electra Stupa Pro ST4 — engineered for performance at the highest level.