Nobody said making Guinness World Records history was easy.The 2010 Wimbledon Championships has seen John Isner (USA, below left) and Nicolas Mahut (France) labour across three gruelling days of tennis to smash a number of new Guinness World Records achievements en route to Isner’s 6-4, 3-6, 6-7, 7-6, 70-68 vi...
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