Tags: Tennis Player.
Duilio Beretta Avalos (born February 25 1992 in Arequipa) is a Peruvian professional tennis player.He recently won the finals stage of Boys’ Doubles events on the French Open and US Open with Ecuadorian tennis player Roberto Quiroz. They defeated Argentinian pair Facundo Argüello and Agustín Velotti 6–3 6–2 in France and they won against Oliver Golding and Jiří Veselý 6–1 7–5 in the United States.