Copa Claro shock for Chela

Eighth seed Juan Ignacio Chela crashed out of the Copa Claro as he slipped up against Albert Ramos.

Eighth seed bows out to Ramos

Eighth seed Juan Ignacio Chela crashed out of the Copa Claro in Buenos Aires after he let a one-set lead slip against Albert Ramos. The home hope went down 4-6 6-3 6-4 to become the only high-profile casualty on Tuesday. Top seed David Ferrer dropped only one game as he stormed into the second round with the minimum of fuss. The Spaniard beat qualifier Andres Molteni 6-1 6-0 in just 50 minutes to set up a clash with Facundo Bagnis in the last 16.

Tougher

Third seed Gilles Simon was a 6-3 7-5 winner over Rui Machado, but second seed Nicolas Almagro had a tougher test. The Spaniard lost the first set to Potito Starace but came back to win 4-6 6-3 7-6 (7-4) in over two hours. Fellow seeds Juan Monaco (fifth) and Fernando Verdasco (seventh) also eased through, the former after Filippo Volandri's second-set withdrawal while Verdasco beat Eric Prodon 6-4 6-1. David Nalbandian was left to lead the Argentinean challenge after a 6-2 6-3 win over Wayne Odesnik, while Federico Delbonis beat Frederico Gil 6-2 6-2. Igor Andreev and Benoit Paire were the day's other winners.