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Argentina's powerful left side — his Siux Electra Pro racket, partnership with Lebrón, and the physical game that belongs in padel's elite.
Stupaczuk was born in Argentina and came up through the Buenos Aires padel system, developing a left-side game built around physical power and aggressive net transition. He joined the professional circuit and established himself quickly as a player whose results were consistently strong even as partnerships changed around him.
His career has been notable for the range of partners he has played with at the top level — including Martin Di Nenno, with whom he formed a strong top-five pair. Multiple partnership changes have tested his ability to adapt and rebuild, and his consistent top-ten presence through those transitions reflects a technical level that is not partnership-dependent.
From 2025 he paired with Juan Lebrón, forming a combination with another high-power Argentine-Spanish blend. Both players are known for aggressive, pace-focused games — the Lebrón-Stupaczuk pair is not built for tactical patience but for applying relentless offensive pressure from both sides of the court. They hold sixth place in the FIP rankings as of May 2026.
Stupaczuk plays left side with a game centred on power generation. His overhead smash is one of the hardest-hit on the circuit — he uses a high contact point and a snap-through wrist action that produces a ball that skids and accelerates off the glass, making defensive retrieval genuinely difficult.
He moves to the net assertively and is comfortable playing at close net range, using his reach and physicality to dominate volley exchanges. His net game is less refined than players like Galán but compensates with pace — he does not need opponents to be out of position if the ball is hit hard enough.
From the baseline his defensive game is solid. He does not look for elegant touch solutions when pushed back; he hits with controlled pace and looks for the opportunity to step in and attack. The combination of a powerful smash and physical net presence makes him a difficult opponent for pairs that rely on passive positioning.
His competitive intensity is high — similar to Lebrón in temperament. Both players prefer playing in front of the crowd with visible energy, and this can produce either spectacular performance or occasional emotional volatility depending on match momentum.
Stupaczuk has been a Siux ambassador throughout his professional career and the Electra Pro is his current signature frame. The 2026 Shadow Red edition is a teardrop-shaped racket with carbon construction and an EVA core — a hybrid setup that sits between a pure power racket and a more balanced control frame.
The teardrop shape positions the sweet spot in the upper-middle zone of the face, giving Stupaczuk the power on overheads that his game demands while providing more forgiveness than a full diamond would. The EVA core softens the impact slightly, reducing arm shock on the frequent high-impact shots his style produces.
Siux is a Spanish padel brand with a strong presence among Argentine and Spanish professionals. The Electra Pro is available for retail purchase, making it accessible to club players who want to test his setup. For intermediate to advanced players with a power-focused game, the teardrop configuration makes this a more forgiving entry point than comparable diamond frames from other brands.
Stupaczuk's partnership history is one of the most varied among current top-ten professionals. He has played alongside Martin Di Nenno, forming a powerful Argentine pair that competed consistently in the top five. He also partnered with Miguel Yanguas, a Spanish player, for a period before moving to his current pairing.
The transition to Juan Lebrón in 2025 was a notable pairing of two high-power players who had each experienced strong partnerships ending. Their combination produces a pair with two of the more recognisable names in padel, and while the tactical balance is different from pairings that couple a power player with a tactical player, the results have kept them in the top ten. As of mid-2026 the Lebrón-Stupaczuk pair continues to develop its combination game on the Premier Padel circuit.
Stupaczuk's most distinctive shot is his overhead from left-centre court. He positions earlier than most left-side players — getting under the ball before it reaches peak height — and drives through it with a swing that generates extraordinary racket-head speed at contact. The result is a smash that accelerates through the glass rather than dying on it.
His left-side topspin drive cross-court is a second weapon. Rather than the flat-trajectory drives common to Argentine left-side players, Stupaczuk generates heavy topspin that dips quickly and then kicks up off a glass, creating an awkward return height that troubles opponents with quick net instincts.
At the net, his aggressive intercepting volley is worth watching. He lunges into positions that look uncomfortable, converting balls that more conservative players would leave for their partner. The willingness to commit physically to interceptions creates surprise and pace-variation that disrupts opponent rhythm.
Stupaczuk's overhead timing is instructive — he positions himself under the ball earlier than most players at any level. At club standard, the most common overhead error is getting to the ball too late, forcing contact behind the body. Practising moving backward quickly before the ball reaches peak height — rather than waiting to see where it lands — will immediately improve your smash consistency.
His partner coverage habit is also valuable. Despite both he and Lebrón being attacking players, Stupaczuk consistently covers his side of the court defensively when Lebrón goes wide for an attack. At club level, partners often both drift toward the action. Deliberately staying disciplined in your own lane during your partner's shot creates a more robust defensive structure.
Finally: his commitment to physical net play is a reminder that padel rewards assertiveness at the net. You do not need Stupaczuk's power to benefit from moving to the net decisively. The principle — attack the net after creating a short ball — works at every level.
Stupaczuk's longevity in the top ten through multiple partnership changes demonstrates that his individual skill level is genuinely elite independent of who he plays with. His partnership with Lebrón creates one of the circuit's most powerful combinations — a pair that is at its best when momentum is high and at its most vulnerable when patience and tactical variation are required.
Watch Stupaczuk for: early overhead positioning, cross-court topspin drives, and aggressive net interception commitment.Get SmashIQ to analyse your racket technique
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