Last updated on 17-May-2009 06:07:37 AM
The Corkscrew is not a term we use for any serves. I thnk it refers to the sidespin serve that turns sharply.
To do this you need to generate plenty of sidespin by brushing the side of the ball. To get it to turn more sharply it is also better to slow the serve down so it doesn't have as much forward momentum and will therefore turn quicker.
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