Complex sentence: In June 2007, he won a Sambo tournament arranged by the Korean Sambo Association, and in December of the same year, he won the lightweight division of the "Pancrase Korea Neo-Blood Tournament" after defeating fellow South Koreans Yoo In Seok and Lee Hyung Geol.
Split into simpler sentences: In June 2007, he won a Sambo tournament arranged by the Korean Sambo Association. And in December of the same year, he won the lightweight division of the "Pancrase Korea Neo-Blood Tournament" after defeating fellow South Koreans Yoo In Seok and Lee Hyung Geol.