John Yandell is a legendary tennis coach and founder of tennisplayer.net
John has coached John McEnroe as well as many of other elite college and professional players.
We take on several topics within the player development arena, including a discussion of pin-point vs platform serve, straight-arm vs bent-arm forehand, and much more.
https://www.nytimes.com/2003/10/16/technology/a-coach-s-digital-tools-take-center-court.html
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