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Bulldog wrote: on Tuesday 31 March 2026 at 02:48 AM
Hi All
Is the above rubber approved for local league play?

This is rather a strange question.
Because any rubber is approved for league play if it is approved by the league administrator / committee
It does not have to be approved by the ITTF of its local affiliate such as USATT or DTTB etc

It looks like Butterfly Relop Attack is a rubber meant for large ball (44 mm) events
So it is not listed on Click link ITTF LARC & you cannot use it in an ITTF event.