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Old 12-02-2012, 01:17 PM   #4
LeeD
Bionic Poster
 
Join Date: Dec 2008
Posts: 31,674
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Practice.
Firing all second serves, you should get in maybe 45 out of 50.
When you go for exact placement, and take your time, at least that.
So on a pressure point, take your time, focus on smooth fast swing, and aim up the middle with lots of net clearance for a slightly better percentage ratio.
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