ONE Fight Night 28: Prajanchai vs. Barboza was a combat sports event produced by ONE Championship that took place on February 8, 2025, at Lumpinee Boxing Stadium in Bangkok, Thailand.

[1][2] A ONE Strawweight Muay Thai World Championship bout between current champion (also a current ONE Strawweight Kickboxing World Champion) Prajanchai P.K.Saenchai and Ellis Badr Barboza headlined the event.

[3] A featherweight submission grappling match between Gianni Grippo and Gabriel Sousa took place at the event.

[4] A bantamweight bout between Jeremy Pacatiw and Ibrahim Dauev was removed from the event after failed five attempts at passing a hydration test with Dauev and Pacatiw decided against accepting a catchweight.

[5] [6] The following fighters received bonuses:[7]