Juan Martin Del Potro, right, consoles Nicolas Almagro after the Spaniard was forced to retire from their French Open second round match due to injury. Thomas Samson / AFP
Juan Martin Del Potro, right, consoles Nicolas Almagro after the Spaniard was forced to retire from their French Open second round match due to injury. Thomas Samson / AFP

French Open Day 5: Del Potro through to third round as emotional Almagro retires