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Old 08-31-2011, 01:09 AM   #42
Bursztyn
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Join Date: Aug 2009
Location: Gliwice, Poland
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In general we may propose three scenarios to classify cases when players have higher success on the second serve serve than on the first serve;

- "Borg-Pecci scenario" - second serves are so few that returner cannot get into a groove,
-"chance" scenario - second serves are so few that the serves higher success rate behind the second serve may be obtained purely by chance,
- "mystery" scenario - there were many second serves in a match and we have no idea why servers' succes behind these serves was so high.

I am afraid that usually the third scenario is valid.
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