The ONE Championship lightweight title bout between Tang Kai (19-4, 8-1 ONE) and Shamil Gasanov (16-1, 6-1 ONE) has been rescheduled to May 15 at ONE Fight Night 43. The original date or reason for the postponement is not specified in the post. Tang Kai is the current champion defending his belt against top contender Gasanov. Both fighters have strong records within the ONE Championship organization. This represents a significant lightweight title fight for the promotion featuring two highly ranked athletes.
The ONE Championship lightweight title fight between Tang Kai and Shamil Gasanov has been rescheduled, with the promotion confirming the bout will now take place on May 15 at ONE Fight Night 43.
Tang Kai enters the contest as the reigning ONE lightweight champion, carrying an overall record of 19-4 and an impressive 8-1 mark inside the ONE Championship organization. The Chinese fighter has established himself as one of the most dominant lightweights in the promotion, and this defense represents another major test of his championship reign.
Standing across from him will be Shamil Gasanov, who holds a 16-1 overall record and has gone 6-1 during his ONE Championship tenure. The Russian contender has built a compelling case as the division's leading challenger, and his strong organizational record signals he belongs in a title conversation.
Why it matters
- The ONE lightweight title is on the line, making this one of the most consequential bouts on the ONE Fight Night 43 card
- Both fighters have proven themselves at the highest level of the promotion, with a combined ONE record of 14-2 between them
- A change in champion would reshape the lightweight divisional landscape within ONE Championship
The reason for the original postponement has not been disclosed by the promotion. What is clear is that May 15 now serves as the confirmed target for a lightweight title clash that has been a long time coming for both men.






