Californian teenager Jose Ramirez scraped past Frenchman Rachid Azzedine to maintain the USA's fine start to the London 2012 Boxing competition with victory in his opening bout in the Light Weight division.
Frenchman Alexis Vastine won his first-round bout in the Welter Weight division 16-12 against Germany's Patrick Wojcicki on an action-packed day of Boxing.
USA teenager Joseph Diaz Jr booked a last-16 bout against Cuba's reigning world champion Lazaro Alvarez Estrada with a slick performance in his Bantam Weight preliminary bout at the ExCeL.
Boxing's brightest and best are preparing to step into the ring in search of Olympic Games glory following the draw for the first round of action, which begins tomorrow.
For the first time at an Olympic Games, the 10 men's Boxing events at London 2012 will be joined by three women's events: women's Fly, women's Middle, and women's Light.
