Double fault? Foot fault? Net Cord? Find out the rules of the serve with the intosport.com guide to introduction and rules for the serve! Want to be as good as Federer, Nadal, Murray and Blake?! Get access to this video and many more, ALL FOR FREE, at intosport.com. REGISTER NOW at intosport.com, the home of world class coaching online, and FREE! Dont forget to subscribe to the intosport.com youtube channel to receive updates when we upload new
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