WBA standard middleweight champion Gennadyi Golovkin will defend the title on either June 2 or June 4 in Panama against Kassim Ouma on a show staged by promoter Rogelio Espino. Contracts were signed today reports matchmaker Mario Pokowietz. A unification fight against WBA interim middleweight king Hassan N´Dam have however again been put on a hold. Golovkin´s contractual dispute with Universim is still to be decided in a German court.