The ONE Championship lightweight title bout between champion Tang Kai and challenger Shamil Gasanov has been rescheduled. The fight will now take place on May 15 at ONE Fight Night 43. Tang Kai holds a 19-4 overall record with an 8-1 mark in ONE Championship. Gasanov enters with a 16-1 overall record and 6-1 in the promotion. The reason for the postponement was not disclosed.
ONE Championship's lightweight title fight between champion Tang Kai and challenger Shamil Gasanov has been given a new date, with the promotion officially slotting the bout into ONE Fight Night 43 on May 15 after a postponement from its original scheduling.
Tang Kai enters the rescheduled contest as the reigning ONE lightweight champion, carrying a 19-4 overall professional record that includes an 8-1 mark inside the ONE Championship cage. The Chinese striker has established himself as one of the most accomplished fighters in the promotion's featherweight and lightweight landscape, and his lone ONE loss underscores the consistency he has shown throughout his tenure with the organization.
Gasanov steps in as the challenger with a 16-1 overall record and a 6-1 showing in ONE Championship, making him one of the more credentialed contenders to challenge for gold in the division. The single blemish on his ONE record has done little to slow his trajectory toward a title opportunity.
Why it matters
- The lightweight title is on the line, giving the division a clear champion or a new face atop the rankings following May 15.
- Both men carry losing records of just one defeat apiece inside ONE Championship, raising the stakes for a closely contested main event.
- The reason for the original postponement was not disclosed by the promotion, leaving the circumstances of the rescheduling unclear.
No explanation for the delay was provided by ONE Championship. The fight is now set to headline or feature prominently on ONE Fight Night 43, with the lightweight title serving as the central prize.







