Callum Johnson has one loss against one opponent on his boxing record. For a list of Johnson's best fights, refer to "Best fights of Callum Johnson".
On October 6, 2018 Callum Johnson fought Artur Beterbiev in a light-heavyweight world-title fight for Beterbiev's IBF title. Johnson was 33 years old and with a record of 17-1 (12), and Beterbiev was 33 years old and with a record of 12-0 (12). Johnson lost the fight via 4th-round KO.