@_markpetchey @TheTennisLetter @WTA Do you think balls can be the cause of an injury, or more precisely the change of balls every week ?
‘Keep the ball the same’ seems hard to achieve though, it should be a worldwide contract and would probably be an obstacle to competition between the different manufacturers
@_markpetchey @TheTennisLetter @WTA Do you think balls can be the cause of an injury, or more precisely the change of balls every week ? ‘Keep the ball the same’ seems hard to achieve though, it should be a worldwide contract and would probably be an obstacle to competition between the different manufacturers
