Results Tuesday from the Mercedes Cup, a euro450,000 (US$628,000) ATP tour event on clay at the Weissenhof Tennis Club (seedings in parentheses): Singles First Round Rainer Schuettler, Germany, def. Ivo Minar, Czech Republic, 2-6, 7-6 (2), 6-4. Simon Greul, Germany, def. Andreas Beck, Germany, 7-6 (4), 7-6 (5). Alexandre Sidorenko (6), France, def. Daniel Munoz-De La Nava, Spain, 7-6 (3), 1-6, 6-2. Oscar Hernandez, Spain, def. Janko Tipsarevic, Serbia, 6-4, 6-4. Jeremy Chardy, France, def. Jose Acasuso (8), Argentina, 6-2, 7-6 (4). Mischa Zverev, Germany, def. Guillermo Garcia-Lopez, Spain, 6-2, 6-4. Nicolas Kiefer, Germany, def. Tomas Berdych (3), Czech Republic, 6-3, 6-3. 