 It took place at the St. Jakobshalle in Basel, Switzerland, from 20 October through 26 October 2008.The singles field was led by ATP No.2, Olympic doubles gold medalist, US Open, Estoril and Halle titlist, two-time Basel defending champion Roger Federer, Buenos Aires and Stockholm winner David Nalbandian, and Stuttgart, Kitzbühel, Los Angeles and Washington titlist Juan Martín del Potro.