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Old 04-22-2014, 04:30 PM   #14
Chas Tennis
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Join Date: Feb 2011
Location: Baltimore, MD
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This 53 minute long documentary film about Pancho Gonzales starts with a close-up of his serve when he was 41. At that time, well after the rule change, he could have jumped but it does not appear that his shoulder or head moved up very much as with a jump.
http://www.youtube.com/watch?v=7wo9v33t6xI

At one point I thought could see ISR but I tend to see ISR everywhere.

Last edited by Chas Tennis : 04-23-2014 at 04:09 AM.
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