Here are some rules regarding the new plastic balls....
Plastic balls will be used at ITTF Sanctioned events from 1st July 2014
As an exception celluloid balls will be used at the 2014 Youth Olympic Games and at four (4) ITTF Junior Circuit events taking place after 1st July 2014 but before the 2014 YOG
Here is the list of the four (4) ITTF Junior Circuit events exceptionally using celluloid balls in the period between 1st July and 15th August 2014:
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