Babolat Viper Juan Lebrón 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 €137 cheaper.
“Juan Lebrón's Viper in the Red colourway hits exactly the way his highlight reel suggests: the dense EVA core and Carbon 3K face over a diamond head produce smash pace at the very top of our scale (power 94). Time your remate and the point is simply over. The rest of the scorecard is the toll: control 74 wants disciplined shot selection, comfort 62 and tolerance 61 make it a hard, unforgiving strike, and the head takes effort to hustle at the net. This is a professional's finishing tool that rewards total commitment and punishes hesitation. Demo it honestly before falling for the name.”
“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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