Tennis Men: ATP Tour 2008 Stuttgart (ger) July 7-13: Quarterfinals: Agustin Calleri (arg) * - Michael Berrer (ger) 6-4 6-2 Juan Martín del Potro (arg) * - Philipp Kohlschreiber (ger) 7-6(7-3) 6-3 Richard Gasquet (fra) * - Albert Montanes (spa) 6-3 7-6(7-5) Eduardo Schwank (arg) * - Jan Hernych (cze) 6-0 4-6 6-3 Semifinals: Juan Martín del Potro (arg) * - Eduardo Schwank (arg) 6-2 6-4 Richard Gasquet (fra) * - Agustin Calleri (arg) 6-7(3-7) 6-2 6-3 Final: Juan Martín del Potro (arg) * - Richard Gasquet (fra) 6-4 7-5