In November 1992 he fought reigning champ Evander Holyfield for the undisputed heavyweight title. He is the last undisputed heavyweight champion. He was arguably the first undisputed full king of Ireland. Interim champions who become undisputed champions are listed only once. Riddick Bowe fight for the Undisputed Heavyweight Championship. The win got Holmes a shot at Evander Holyfield for the Undisputed World Heavyweight Championship. This letter is now generally regarded as one of the undisputed works of Paul. Taylor won a majority decision to become the undisputed lightweight champion. The win made Usyk the first ever four-belt undisputed cruiserweight champion. So Christina became the undisputed heir presumptive. He is the first Ukrainian undisputed champion. The titles were later unified as the Undisputed Championship. This is a list of undisputed champions in professional boxing. He defended the undisputed title six times. At SummerSlam, Lesnar defeated The Rock for the WWE Undisputed Championship.