American bantamweight Duke Ragan beat seventh-seeded Cuban Javier Ibanez Diaz on the opening day of the 2017 International Boxing Association World Championships in Hamburg ©AIBA

"Photo_Gallery"

The 19-year-old is making his first appearance at a World Championships ©AIBA
The 19-year-old is making his first appearance at a World Championships ©AIBA
English light flyweight Galal Yafai claimed a unanimous points win in an all-British clash with Scotland's Aqeel Ahmed ©AIBA
English light flyweight Galal Yafai claimed a unanimous points win in an all-British clash with Scotland's Aqeel Ahmed ©AIBA
He was made to work hard for it though by his opponent ©AIBA
He was made to work hard for it though by his opponent ©AIBA
Silvio Schierle was one of two German boxers to enter the fray today ©AIBA
Silvio Schierle was one of two German boxers to enter the fray today ©AIBA
He won his middleweight encounter against Turkey's Birol Aygun on a split decision ©AIBA
He won his middleweight encounter against Turkey's Birol Aygun on a split decision ©AIBA
Irish light welterweight Sean McComb went up against Brazil's Joedison de Jesus ©AIBA
Irish light welterweight Sean McComb went up against Brazil's Joedison de Jesus ©AIBA
The 25-year-old claimed a 4-1 points win ©AIBA
The 25-year-old claimed a 4-1 points win ©AIBA
England's Luke McCormack impressed in the same weight division ©AIBA
England's Luke McCormack impressed in the same weight division ©AIBA
He also prevailed 4-1 to reach the second preliminary round ©AIBA
He also prevailed 4-1 to reach the second preliminary round ©AIBA