Cali Challenger: Juan Manuel La Serna advances as Hugo Dellien withdraws

At the Challenger 75 tournament in Cali, Colombia, Argentine player Juan Manuel La Serna advanced to the round of 16 following a victory over Bolivia's Hugo Dellien. Dellien, currently ranked 118th in the ATP, was forced to retire during the first round due to physical discomfort while trailing 6-3, 2-0.

Other notable results from the tournament include Argentine Carlos María Zárate defeating Franco Ribero 6-2, 6-3, and Juan Bautista Torres overcoming Daniel Salazar 6-3, 6-1. In a marathon match lasting over three hours, Santiago Rodríguez Taverna defeated Rodrigo Pacheco Méndez in three sets. However, Nicolás Kicker was eliminated by Germany's Diego Dedura, and Juan Pablo Ficovich lost to Brazil's Felipe Meligeni Alves.