“The ST3 Stupa Pro is where Stupaczuk's Siux line found its voice: a hybrid head with an even balance and an EVA core that hits harder than its manners suggest.”
Overall it sits in the top 8% of 1,000 rackets we’ve tested — its power score ranks in the top 11%.
Power
Very High86
Control
High75
Maneuverability
High70
Sweet Spot
Good66
Comfort
Good67
Value
High76
Owner feedback
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Power
Control
Maneuverability
Comfort
Sweet Spot
Value
PRR Score
87PRR Score
Inside the frame
Electra St3 Stupa Pro Specs
◉
CoreEVA
Foam core determines feel and vibration damping.
▽
ShapeHybrid
Head shape affects sweet spot size and balance.
◷
Weight375g
Frame weight (unstrung, without handle wrap).
⊡
BalanceEven
Balance point determines power vs. control trade-off.
◎
LevelAdvanced
Target player level for this racket.
Scores from around the web
PadelReference
71/100
Padeful
85/100
Our verdict
The ST3 Stupa Pro is where Stupaczuk's Siux line found its voice: a hybrid head with an even balance and an EVA core that hits harder than its manners suggest. Power 86 finishes points, and the frame stays composed enough through transitions that control 75 feels understated in practice. Comfort 67 and tolerance 66 keep it in firm territory, and the strike rewards conviction. Two generations on, pricing has settled at genuine-bargain levels (value 76). For advanced players who want signature-line aggression without current-season cost, the ST3 has aged into one of the smarter buys.
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Full specification
AttackerStandard
Shape
Hybrid
Core
EVA
Balance
Even
Weight
375g
Level
Advanced
Playing style
Power
Year
2023
The series story
SIUX Electra
Stupa's hybrid line, from ST2 to ST5
The SIUX Electra is built around a specific kind of game. Franco "Stupa" Stupaczuk plays at full intensity at the net, finishes points overhead, and is never out of a rally through the glass. SIUX designed the Electra to match that: a hybrid shape that sits between a control-first round and a pure power diamond, loading up genuine finishing pace while keeping a face soft enough to play touch padel. That balance is harder to achieve than most brands admit, and the Electra has been one of the few rackets in our database to genuinely hold both ends of it.
We have tracked the line across three generations. The 2023 ST2 Pro scored 85 with us and set the Electra template: fast through the air, composed under pressure, with a face that let you redirect a vibora or place a clean bandeja without needing to think twice. The 2024 ST3 arrived with a stiffer hitting surface and better stability when opponents loaded pace at you; the ST3 Stupa scored 87, with Lite editions widening the family to lighter swing weights for improvers. The current ST5 Pro editions, Fire Red and Shadow Stupa, both score 91, the highest result SIUX has achieved in our database.
Each generation follows the same structure: a Stupa Pro edition at the top, designed for attacking players who want to smash overhead and still play a composed bajada off the back wall, with Lite and Go trims below for players building toward that kind of game. The ST generation number is the real thread through the range, and what the Electra has consistently rewarded is a particular construction of points: build through the glass, close at the net, finish overhead.
Which one should you buy?
Go straight to an Electra ST5 Pro edition if your budget allows. Both the Fire Red and the Shadow Stupa score 91 with us, and there is no meaningful performance difference between the two colourways. This is the most complete version of the Electra we have tested: it finishes points overhead with authority, stays composed under pressure in the back-court, and gives you enough feel at the net to play a proper bandeja when the rally demands placement over pace. If you find ST3 Stupa stock at clearance, a PRR 87 result is hard to argue with at a sharp enough discount. It remains a clean, capable racket and the gap to the ST5 barely registers on court when the price is right.
The Lite and Go editions are not lesser Electras so much as a different racket in character. Less swing weight, a softer overall response, better suited to players still developing consistency than to attacking players looking to load genuine finishing pace. They are honest options at the right price, but if you are after the full Electra experience, a Pro edition is the one to buy.
The frame where Stupaczuk's line found its voice: an even-balanced hybrid that hits harder than its manners suggest, with honest, repeatable delivery and composure through transitions that makes the control feel understated. Two generations old now, so the price is right. It rewards confident, front-foot padel, stays firm across long sessions, and the newer versions feel crisper if the budget allows.
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What level of player is the Electra St3 Stupa Pro designed for?
The Siux Electra St3 Stupa Pro is built for Advanced players, scoring 87/100 overall in PRR's testing.
How much does the Electra St3 Stupa Pro cost and where can I buy it?
The Siux Electra St3 Stupa Pro is priced from €121 at PadelProShop. See the price comparison above for the latest deals across every retailer we track.
How much does the Electra St3 Stupa Pro weigh and what's its balance?
The Siux Electra St3 Stupa Pro weighs 375g with a Even balance.
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