STUTTGART, Germany, July 18 (UPI) -- Second-seeded Czech Tomas Berdych defeated American Hugo Armando on Tuesday, 7-5, 6-3, at the Mercedes Cup in Germany.
Three other seeds were upset in second-round play. Qualifier Nicolas Lapentti of Ecuador beat seventh-seeded Frenchman Florent Serra 5-7, 7-6 (7-3), 6-2; Argentine qualifier Diego Hartfield defeated 10th-seeded Spaniard Nicolas Almagro 6-7 (2-7), 7-6 (7-1), 7-5; and Argentine qualifier Diego Junqueira beat 14th-seeded Italian Filippo Volandri 6-3, 6-4.
In opening-round action, Argentine Mariano Zabaleta whipped German Alexander Waske 6-3, 3-6, 6-3, Argentine Juan Monaco overcame German Michael Berrer 4-6, 7-6 (8-6), 6-4 and Czech Jiri Novak beat Italian qualifier Simone Bolelli 7-6 (7-4), 6-1.
