Tsitsipas black strings

CiscoPC600

Professional
PropertyLuxilon Alu Power Soft 1.25Luxilon 4G Soft 1.25Difference %
MaterialPolyesterPolyesterNA
Stiffness (lb/in)19821710

I’ve tested both, and I believe ALU Soft is much easier on the arm than it’s 4G counterpart.
 

mxvb

Rookie
Looks like RPM blast. You can tell by the light reflection of the shape. I recognize it immediately from using it for many years. He’s probably looking for free power but still retain the similar impact feel. He really can’t stray too far and make a sudden change to a gut. The impact feel is so different, it would be too risky at this stage of his career.
It was Luxilon Alu Power Black!
 

70sStrokes

New User
Looks like RPM blast. You can tell by the light reflection of the shape. I recognize it immediately from using it for many years. He’s probably looking for free power but still retain the similar impact feel. He really can’t stray too far and make a sudden change to a gut. The impact feel is so different, it would be too risky at this stage of his career.
If he is having arm problems he may not want to hit bent arm backhands. That could be a volley though so who knows.
 
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