Complex sentence: Nikpai competed in the -58kg category at the 2008 Summer Olympics, beating the 2006 European champion Levent Tuncat of Germany in the Round of 16 and finally won bronze medal, defeating two-time world champion Juan Antonio Ramos of Spain in the bronze medal contest.
Split into simpler sentences: Nikpai competed in the -58kg category at the 2008 Summer Olympics. He defeated the 2006 European champion Levent Tuncat of Germany in the Round of 16, and finally won bronze medal, beating two-time world champion Juan Antonio Ramos of Spain in the bronze medal contest.