Place a Riddle of the Day on your Site http://riddles.com 2008-05-11T18:20:45+01:00 http://riddles.com http://riddles.com/images/M_images/weblink.png text/html 1999-11-30T00:00:00+01:00 http://riddles.com http://riddles.com/all-kinds-of-riddles/riddles/tennis-knowledge-19991130282/ RIDDLE ME THIS: Two men were playing tennis. They played five sets and each man won three sets. How can this be possible?