Stamp Fairtex

Former three-sport ONE World Champion Stamp Fairtex knew she wanted to compete in Muay Thai ever since she was 5 years old. She first picked up the sport at her father’s gym to protect herself from bullies.

A year later, the Thai native stepped into the ring to compete in her first professional fight. She won her debut via knockout in under 30 seconds.

Stamp went on to amass over 80 professional Muay Thai bouts with great success, becoming a stadium champion and two-division Northeastern Thailand Champion. Originally from a farm in the Rayong province of Thailand, she then made the move to Pattaya alone at the age of 18 to pursue her dreams of being a full-time combat sports athlete. Her hard work and many sacrifices paid off.

In October 2018, Stamp made an instant impact in her ONE Championship debut by claiming the ONE Women’s Atomweight Kickboxing World Title. And in just her next bout, she made history by adding the inaugural ONE Women’s Atomweight Muay Thai World Title to her waist to become the organization’s first two-sport World Champion.

After a successful run in the striking arts, Stamp turned her attention to MMA. In 2021, she won the ONE Women’s Atomweight MMA World Grand Prix Championship and earned a shot at divisional queen Angela Lee. Unfortunately, the Thai challenger came up short against the long-reigning titleholder.

Despite that, Stamp’s journey through the all-encompassing sport continued. After picking up a few pivotal wins, she finished South Korean veteran Ham Seo Hee at ONE Fight Night 14 to claim the ONE Women’s Atomweight MMA World Title and, in the process, become the first three-sport queen in history.

Unfortunately, the Thai megastar injured herself while preparing for her first ONE Women’s Atomweight MMA World Title defense in 2024. Unable to recover within reasonable time, she had to relinquish her belt in May 2025.

Now, fully recovered from her meniscus injury, Stamp re-starts her journey back to the World Title gold at ONE 173 on November 16, 2025.