 In the 2009–10 season, Kozuka won the silver medal at the 2009 Cup of Russia earning 215.13 points and placed seventh in the 2009 NHK Trophy scoring 186.00.He won the bronze medal at the Japanese National Championships with 236.13 points, placing second in the short program and third in the free skate, and thus qualified to compete at the 2010 Winter Olympics and at the 2010 World Championships.Kozuka finished eighth overall in the men's singles at the 2010 Winter Olympics with 231.19 points.