{"name":"Sergey Derevyanchenko","historyByOrg":{"WBA":[{"month":"2025-03","rank":null,"weightClass":null},{"month":"2025-04","rank":null,"weightClass":null},{"month":"2025-05","rank":null,"weightClass":null},{"month":"2025-06","rank":null,"weightClass":null},{"month":"2025-07","rank":null,"weightClass":null},{"month":"2025-08","rank":null,"weightClass":null}],"WBC":[{"month":"2025-04","rank":15,"weightClass":"Supermiddleweight"},{"month":"2025-05","rank":17,"weightClass":"Supermiddleweight"},{"month":"2025-06","rank":21,"weightClass":"Supermiddleweight"},{"month":"2025-07","rank":18,"weightClass":"Supermiddleweight"},{"month":"2025-08","rank":19,"weightClass":"Supermiddleweight"},{"month":"2025-09","rank":20,"weightClass":"Supermiddleweight"}],"IBF":[{"month":"2025-03","rank":null,"weightClass":null},{"month":"2025-04","rank":null,"weightClass":null},{"month":"2025-05","rank":null,"weightClass":null},{"month":"2025-06","rank":null,"weightClass":null},{"month":"2025-07","rank":null,"weightClass":null},{"month":"2025-08","rank":null,"weightClass":null}],"WBO":[{"month":"2025-03","rank":null,"weightClass":null},{"month":"2025-04","rank":null,"weightClass":null},{"month":"2025-05","rank":null,"weightClass":null},{"month":"2025-06","rank":null,"weightClass":null},{"month":"2025-07","rank":null,"weightClass":null},{"month":"2025-08","rank":null,"weightClass":null}]}}
