Barranquilla Challenger Qualifying March 28-April 3, 2011 Singles Seeds: (cut: Ruiz - 1614) 1. Pablo Galdon 2. Daniel Silva 3. Martin Vassallo Arguello 4. Marcel Felder 5. Julio Cesar Campozano 6. Marco Trungelliti 7. Guillermo Duran 8. Daniel Garza Q - First Round (1)Pablo Galdon (ARG) d. Ryan Young (USA) 6-4 6-4 Nicolas Barrientos (COL) d. Nicolas Pastor (ARG) 6-2 6-4 Vlademyros Mavropoulos-Stoliarenko (USA) d. (WC)Santiago Gutierrez (COL) 6-0 6-1 (6)Marco Trungelliti (ARG) d. Mateo Andres Ruiz Naranjo (COL) 6-0 6-1 Mauricio Echazu (PER) d. (2)Daniel Silva (BRA) 7-5 2-0 ret. Sebastian Lopez (COL) d. Pedro Pablo Ruiz (COL) 7-5 6-1 Thomas Cazes-Carrere (FRA) d. (WC)Michael-Ray Pallares-Gonzalez (DOM) 6-2 6-2 Dennis Zivkovic (USA) d. (5)Julio Cesar Campozano (ECU) 4-6 6-4 6-0 (3)Martin Vassallo Arguello (ARG) d. Luis Diaz-Barriga (MEX) 6-0 6-1 Manuel Sanchez (MEX) d. (WC)Felipe Escobar (COL) 6-3 6-2 Steffen Zornosa (COL) d. (WC)Juan Marino (COL) 7-5 6-0 Eduardo Struvay (COL) d. (7)Guillermo Duran (ARG) 4-6 6-1 6-1 (4)Marcel Felder (URU) d. Juan Sebastian Gomez (COL) 6-2 6-3 Wayne Odesnik (USA) d. Pierre-Ludovic Duclos (CAN) 6-2 6-2 Maciek Sykut (USA) d. (WC)Luis Valero (COL) 6-1 6-4 (8)Daniel Garza (MEX) d. Cristian Benedetti (ARG) 6-2 6-2 Q - Second Round (1)Pablo Galdon (ARG) d. Nicolas Barrientos (COL) 6-4 6-4 (6)Marco Trungelliti (ARG) d. Vlademyros Mavropoulos-Stoliarenko (USA) 6-0 6-1 Mauricio Echazu (PER) d. Sebastian Lopez (COL) 6-1 6-4 Dennis Zivkovic (USA) d. Thomas Cazes-Carrere (FRA) 2-6 6-3 6-4 (3)Martin Vassallo Arguello (ARG) d. Manuel Sanchez (MEX) 6-3 6-2 Eduardo Struvay (COL) d. Steffen Zornosa (COL) 6-4 6-3 Wayne Odesnik (USA) d. (4)Marcel Felder (URU) 7-6(5) 6-4 (8)Daniel Garza (MEX) d. Maciek Sykut (USA) 6-4 6-4 Qualifying Round (6)Marco Trungelliti (ARG) d. (1)Pablo Galdon (ARG) 3-6 6-3 6-4 Dennis Zivkovic (USA) d. Mauricio Echazu (PER) 6-2 2-6 6-4 (3)Martin Vassallo Arguello (ARG) d. Eduardo Struvay (COL) 6-3 6-1 Wayne Odesnik (USA) d. (8)Daniel Garza (MEX) 6-1 3-6 6-0