In Gallwey's book, he writes about taking the return of serve at the service line. Roger did it against Kevin Andersen.
Click on the video clip at the bottom of this page:
http://www.blick.ch/sport/tennis/er-...id4115655.html
Click on the video clip at the bottom of this page:
http://www.blick.ch/sport/tennis/er-...id4115655.html
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