What is this black spot on my rubber?

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May 2023
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Basically the title, I noticed that there is a black spot on my rubber, in the main hitting area.

My racket case got very slightly wet yesterday from the rain, and I noticed it today. Could this be something like mold after just 1 day? Or just a marking of a ball?

The grip still seems fine, but I havent seen this before.

What do you think?

Cheers
 

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says Shoo...nothing to see here. - zeio
says Shoo...nothing to see here. - zeio
Well-Known Member
Jan 2018
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Could be black ink from the brand on the ball.
 
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