Japanese former WBC super flyweight champion Katsushige Kawashima will meet Mexican southpaw Cristian Mijares for the interim title on Sept. 18 at Pacifico Yokohama, boxing organizers said Friday.

The 31-year-old Kawashima, ranked No. 2 in the world, has a record of 30 wins, with 20 knockouts, and four defeats. Fourth-ranked Mijares, 24, is 25-3-2 with nine KOs.