Isaac Chamberlain - Boxing Rankings

{"name":"Isaac Chamberlain","historyByOrg":{"WBA":[{"month":"2025-07","rank":null,"weightClass":null},{"month":"2025-08","rank":null,"weightClass":null},{"month":"2025-09","rank":null,"weightClass":null},{"month":"2025-10","rank":null,"weightClass":null},{"month":"2025-11","rank":null,"weightClass":null},{"month":"2025-12","rank":null,"weightClass":null}],"WBC":[{"month":"2025-05","rank":21,"weightClass":"Cruiserweight"},{"month":"2025-06","rank":21,"weightClass":"Cruiserweight"},{"month":"2025-07","rank":24,"weightClass":"Cruiserweight"},{"month":"2025-08","rank":null,"weightClass":null},{"month":"2025-09","rank":null,"weightClass":null},{"month":"2025-10","rank":null,"weightClass":null}],"IBF":[{"month":"2025-06","rank":null,"weightClass":null},{"month":"2025-07","rank":null,"weightClass":null},{"month":"2025-08","rank":null,"weightClass":null},{"month":"2025-09","rank":null,"weightClass":null},{"month":"2025-10","rank":null,"weightClass":null},{"month":"2025-11","rank":null,"weightClass":null}],"WBO":[{"month":"2025-07","rank":null,"weightClass":null},{"month":"2025-08","rank":null,"weightClass":null},{"month":"2025-09","rank":null,"weightClass":null},{"month":"2025-10","rank":null,"weightClass":null},{"month":"2025-11","rank":null,"weightClass":null},{"month":"2025-12","rank":null,"weightClass":null}]}}

Six-Month Ranking History (Data)

WBA six-month history
Month	Rank	Weight Class
2025-07	NR
2025-08	NR
2025-09	NR
2025-10	NR
2025-11	NR
2025-12	NR

WBC six-month history
Month	Rank	Weight Class
2025-05	#21	Cruiserweight
2025-06	#21	Cruiserweight
2025-07	#24	Cruiserweight
2025-08	NR
2025-09	NR
2025-10	NR

IBF six-month history
Month	Rank	Weight Class
2025-06	NR
2025-07	NR
2025-08	NR
2025-09	NR
2025-10	NR
2025-11	NR

WBO six-month history
Month	Rank	Weight Class
2025-07	NR
2025-08	NR
2025-09	NR
2025-10	NR
2025-11	NR
2025-12	NR