The ONE Championship lightweight title bout between champion Tang Kai (19-4, 8-1 ONE) and challenger Shamil Gasanov (16-1, 6-1 ONE) has been rescheduled to May 15 at ONE Fight Night 43. The fight was previously scheduled for a different date but has now been moved, though no reason for the change was provided in the announcement. This matchup will determine the undisputed lightweight champion in ONE Championship. Both fighters enter with strong recent records within the promotion, setting up a high-stakes title clash.
ONE Championship has officially rescheduled its lightweight title fight between champion Tang Kai and challenger Shamil Gasanov, with the bout now set for May 15 at ONE Fight Night 43.
The promotion confirmed the date change without providing a reason for the shift. The matchup had previously been slated for a different date before the announcement moved it to the new slot.
Tang Kai enters the contest as the reigning ONE Championship lightweight champion, carrying an overall professional record of 19-4 and an impressive 8-1 mark inside the promotion. The Chinese fighter has established himself as one of the division's most dangerous competitors during his ONE tenure.
Gasanov steps in as the designated challenger with a 16-1 professional record and a 6-1 ledger under the ONE banner. The lone blemish on his ONE record has done little to diminish his standing as a legitimate threat to the title, and his climb through the lightweight ranks earned him this shot at undisputed gold.
Why it matters
- The bout will crown the undisputed ONE Championship lightweight champion, giving the division clarity at the top
- Both men carry just one combined loss across their ONE Championship careers, underscoring how evenly matched this title picture has been
- A new champion or a successful defense will significantly reshape the lightweight rankings and future contender conversations within the promotion
