Cali Challenger Qualifying September 19-25, 2011 Singles Seeds: (cut: none) 1. Juan Sebastian Gomez 2. Juan Pablo Ortiz 3. Steffen Zornosa 4. Sebastian Serrano 5. Pedro Pablo Ruiz 6. Mateo Andres Ruiz Naranjo 7. Tomas Builes 8. Felipe Rojas Q-First Round (1)Juan Sebastian Gomez (COL) bye (5)Pedro Pablo Ruiz (COL) bye (2)Juan Pablo Ortiz (ARG) bye (7)Tomas Builes (COL) d. (WC)Luis Osio (VEN) 6-1 2-6 6-4 (3)Steffen Zornosa (COL) bye (WC)Michael Quintero (COL) d. (8)Felipe Rojas (COL) 6-4 6-4 (4)Sebastian Serrano (COL) bye (6)Mateo Andres Ruiz Naranjo (COL) d. Francisco Mendieta (COL) 7-6(7) 7-5 Qualifying Round (1)Juan Sebastian Gomez (COL) d. (5)Pedro Pablo Ruiz (COL) 6-1 6-0 (2)Juan Pablo Ortiz (ARG) d. (7)Tomas Builes (COL) 6-0 6-0 (WC)Michael Quintero (COL) d. (3)Steffen Zornosa (COL) 4-6 6-1 6-0 (4)Sebastian Serrano (COL) d. (6)Mateo Andres Ruiz Naranjo (COL) 7-6(3) 6-3