Babolat Technical Viper 3.0 vs Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk
Head-to-head on PRR scores, specs, and live prices — independently tested with the same methodology. Updated daily.
Too close to call on score alone
Both rackets score 91/100 in PRR testing, so the right pick comes down to feel and spec. Its biggest edge is power (+4). The Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk answers back on maneuverability (+6). On price, the Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk is currently €91 cheaper.
“The Technical Viper 3.0 is the bluntest instrument in Babolat's range and makes no apology for it. Head-heavy, diamond, Black EVA behind a Carbon 3K face: swing hard and the ball leaves at 94-power pace, the highest tier we score. Everything else is the price of admission. Control 74 asks you to aim with your feet, comfort 62 makes it one of the harshest hits at tour level, and tolerance 61 turns mishits into nothing balls. Maneuverability 66 means late reactions at the net stay late. For a physically strong, technically clean attacker it is devastating. For anyone else it is a fast route to a sore elbow.”
“Franco Stupaczuk's Shadow Red ST5 is built to attack: power 90 with control 78 is a proper first-strike profile, and the confirmed even balance at 365 g explains why it feels quicker between shots than its hitting power implies. Blocks and counters stay manageable, then the same frame turns a short lob into a finished point. The firm side is unavoidable: comfort 67 and tolerance 66 mean mishits are felt and punished. Beyond balance and weight, full spec for this colourway is unconfirmed, so try before you buy. For aggressive all-court players it is a convincing signature frame.”
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