Nittaku Fastarc S-1 vs Yasaka Rakza Z: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

Nittaku Fastarc S-1Yasaka Rakza Z
Our rating7.9/108.6/10
best_sideforehand or backhandforehand
control70high
speed97medium
spin96extreme
sponge_hardness35 degrees50 degrees (medium-hard; Extra Hard version around 57 degrees)
typeinvertedhybrid tacky tensor
weight_uncut_garound 41-43g72

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Fastarc S-1 is engineered for players who attack with pace and control rather than pure spin. Its lightweight construction and excellent blocking make it perfect for intermediates building pace-oriented game styles without excessive stiffness or weight penalty. Spin output is moderate but sufficient for committed loopers with solid technique.

Rakza Z is a heavy, hard hybrid tacky rubber optimized for proactive forehand looping and aggressive spin production. It rewards full, committed strokes and excels at pressure play, but demands active technique and struggles with passive shots or weak power. The 72g weight and high throw angle suit dedicated forehand attackers over multi-wing users.

Fastarc S-1 suits all-round, speed-conscious attackers on both wings. Rakza Z is for forehand-heavy, spin-obsessed loopers willing to accept weight and demanding technique.

FAQ

What is Rakza Z best for?

Forehand looping specialists who commit to full, active strokes and want to pressure opponents with heavy spin placement.

Is Fastarc S-1 too soft on spin?

It produces less spin than Rakza Z or other top tensors, but spin output is still usable for intermediate and advanced players with solid looping technique.

How much heavier is Rakza Z?

Rakza Z weighs approximately 72g uncut vs Fastarc S-1 at 41-43g. This affects arm fatigue and racket balance significantly.

Which pairs better with fast blades?

Fastarc S-1 works across most blades and playstyles. Rakza Z needs active strokes and can overwhelm passive players or very fast blades.