You are the umpire: is this ball IN or OUT?

This is the mark of Basilashvili's second serve against Fucsovics in the 2nd set tie-breaker. The linesman called it out (long) but the umpire checked the mark and overruled the call – a decision which de facto ended the match. Ok, stop brushing the lines in a way that removes the clay just past them and the... show more This is the mark of Basilashvili's second serve against Fucsovics in the 2nd set tie-breaker. The linesman called it out (long) but the umpire checked the mark and overruled the call – a decision which de facto ended the match.

Ok, stop brushing the lines in a way that removes the clay just past them and the problem is solved, but.
What do you think: in or out? A ball is out if there's a space between the mark and the line.

Source:
https://twitter.com/enricomariariva/stat...
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