JOOLA Dynaryz ZGR vs Yasaka Rakza X: Which Should You Buy?

UltraSpin comparison · 2026-06-10 · rubber

JOOLA Dynaryz ZGRYasaka Rakza X
Our rating8.3/108.4/10
best_sideforehandboth
controlMedium-Highmedium-high
speedExtremehigh
spinExtremehigh
sponge_hardness57.5 degrees Shore C (hard)47.5 (medium-hard, roughly 45-50 degrees)
typehybrid tacky tensor (pimples-in)tensor inverted
weight_uncut_gapprox 56g (cut to 157x150mm)69

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ZGR (8.3) and Yasaka Rakza X (8.4) are both advanced tensors with strong ratings, but Rakza X emphasizes grip and forgiveness. ZGR is hard (57.5 degrees), German tacky-tensor hybrid, extreme spin, multi-gear versatility, optimized for forehand power. Rakza X is medium-hard (47.5 degrees), outstanding grip overriding incoming spin, linear and predictable, high safe throw arc, strong short game, mid-range price around 50 USD, excellent on both wings. Rakza X is more forgiving and affordable; ZGR is more extreme and specialized. Rakza X is proven on both forehand and backhand; ZGR is forehand-dominant. Rakza X has easier learning curve; ZGR demands advanced technique. Pick ZGR if you are advanced forehand specialist wanting maximum spin and control leverage; pick Rakza X if you want grippy, forgiving, linear tensor with good short game on either wing.

FAQ

Which is better for both forehand and backhand?

Yasaka Rakza X is versatile on both wings. ZGR is forehand-only due to hardness and demanding technique. Rakza X is the all-court choice.

What is the grip difference?

Rakza X has outstanding grip that overrides incoming spin with linear, predictable response. ZGR is tacky-hybrid but less grip-focused. Rakza X is grippier overall.

Which has easier short game?

Rakza X has strong short game with forgiving touch. ZGR’s hardness and demanding technique make short game harder. Rakza X is easier for short touches.

Which is heavier overall?

Rakza X is on the heavy side at 69 grams. ZGR is approximately 56 grams cut (lighter in absolute weight). Rakza X feels heavier overall.