The Longest Point in the History of Professional Tennis - 29 minutes, 643 shots...

This week marks the 25th anniversary of an histori...  ...rginia Slims tournament in 1984, Vicki Nelson and Jean Hepner exchanged 643 shots; it remains the longest singl...  ...ngle day. The rally that put Nelson-Dunbar and Hepner in the record books came at set point for Hepner...

http://www.neatorama.com/2009/09/25/the-longest-point-in-the-history-of-professional-tennis-29-minutes-643-shots/