Joma Valkiria Flex Blue/White 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.
Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk wins by 19 points
Siux Electra ST5 Pro Shadow Red 2026 Franco Stupaczuk scores 91/100 against 72/100 for the Joma Valkiria Flex Blue/White. Its biggest edge is power (+24). The Joma Valkiria Flex Blue/White answers back on sweet spot (+9). On price, the Joma Valkiria Flex Blue/White is currently €87 cheaper.
“The Joma Valkiria Flex Blue/White leans into a round-to-teardrop shape with a softer flex core that prioritizes forgiveness and ease of use over raw punch, making it primarily a beginner-to-intermediate tool. The feel is somewhat muted and uninspiring compared to market leaders at this price tier, lacking the crisp feedback that advancing players crave. Recreational players who want a lightweight, arm-friendly option for casual club play will find it adequate, but ambitious intermediates will quickly outgrow it.”
“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.”
Want a different head-to-head? Compare any rackets in our database side by side.
Open compare tool
