Complex sentence: In 2004, he became junior flyweight European U17 champion, in 2006 the aggressive southpaw won the Junior World Championships, where he beat future bantam world champion and fellow southpaw Sergey Vodopyanov.
Split into simpler sentences: In 2004, he became junior flyweight European U17 champion. In 2006 the aggressive southpaw won the Junior World Championships, where he beat future bantam world champion and fellow southpaw Sergey Vodopyanov.