'I won that fight': Tyson Fury calls for rematch after undisputed defeat to Oleksandr Usyk

Former WBC and lineal heavyweight champion Tyson Fury is convinced he beat Oleksandr Usyk in their historic undisputed title bout in Riyadh and has called for an immediate rematch.

Fury suffered the first defeat of his 36-fight professional career early on Sunday morning as Usyk secured a split decision victory with scores of 115-112, 113-114, 114-113.

With the win, Usyk becomes the first undisputed heavyweight world champion of the four-belt era and the first undisputed heavyweight champion since Lennox Lewis 25 years ago. The Ukrainian is also only the third male fighter, after Terence Crawford and Naoya Inoue, to hold all four titles simultaneously in two divisions having previously dominated at cruiserweight.

In a fight as razor-close as had been predicted in the build-up, Usyk got the better of the opening rounds before Fury hit his stride in the fourth, engaging in some showmanship as he started to catch Usyk with vicious body shots, but the Ukrainian battled back with several stinging reminders of his power.

Usyk turned the tide in the eighth round and few would have been surprised had the referee stopped the fight in the ninth as the Ukrainian's powerful punches to the head left Fury reeling.

The previously undefeated Briton managed to hang on until the bell but he struggled through the final three rounds of the fight as Usyk chased him down to edge him out on the judges' scorecards.

Despite narrowly escaping a first knockout, Fury believes he did enough to win the fight and said he is already looking forward to running it back. A rematch option was placed in both fighters' contracts, opening the door for another thrilling showdown later this year.

"I believe I won that fight," Fury, 35, said. "I believe he won a