Kohei Oba - Boxing Rankings

{"name":"Kohei Oba","historyByOrg":{"WBA":[],"WBC":[],"IBF":[{"month":"2015-01","rank":8,"weightClass":"Bantamweight"},{"month":"2015-02","rank":8,"weightClass":"Bantamweight"},{"month":"2015-03","rank":9,"weightClass":"Bantamweight"},{"month":"2015-04","rank":8,"weightClass":"Bantamweight"},{"month":"2015-05","rank":8,"weightClass":"Bantamweight"},{"month":"2015-06","rank":8,"weightClass":"Bantamweight"}],"WBO":[{"month":"2013-10","rank":9,"weightClass":"Bantamweight"},{"month":"2013-11","rank":9,"weightClass":"Bantamweight"},{"month":"2013-12","rank":8,"weightClass":"Bantamweight"},{"month":"2014-01","rank":8,"weightClass":"Bantamweight"},{"month":"2014-02","rank":6,"weightClass":"Bantamweight"},{"month":"2014-03","rank":7,"weightClass":"Bantamweight"}]}}