納豆在被對手打暈時,玩受傷和其它小動作是習慣了,不信可以看看曆史
http://tennis.si.com/2013/11/06/stanislas-wawrinka-rafael-nadal-coaching/
http://www.usatoday.com/story/sports/tennis/2013/01/05/atp-cracks-down-on-slow-play/1810687/
http://www.fawcette.net/2011/06/rafael-nadal-abuses-time-rules-against-del-potro-at-wimbledon.html