SINUS ALPHA possesses a softer sponge and develops especially during a passive game its strengths, because it provides even better control. It is not as fast as its harder twin; however it transmits during fast topspins and blocking balls unequalled precision. Balls played with this rubber have a longer and evenly curved trajectory, putting even more pressure on the opponent. TIBHAR SINUS ALPHA is the ideal rubber for players looking for unlimited dependability, in addition to acceleration.