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Old 01-20-2013, 02:09 PM   #84
Join Date: Feb 2011
Posts: 6,256

I would guess about 18 minutes. 15 minutes is really fast only the best women can do that. however the demand for endurance has gone up a lot in modern Tennis. I'm sure many of the 70s and 80s guys were no good distance runners but today's Tennis is different.
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