Shun Kubo will challenge for a world title in a second weight class when he moves up to face WBA featherweight world champion Xu Can of China next month, his gym said Friday.

The clash between Kubo, the former WBA super bantamweight champion, and Xu, who became the country's first WBA champion in January, will take place May 26 in the latter's hometown of Fuzhou, Jiangxi Province.

The 25-year-old Xu, who will make his first title defense, is 16-2 (two knockouts).