Hemetsberger retains Muay Thai title at ONE Fight Night 46

Stella Hemetsberger successfully defended her ONE women's strawweight Muay Thai world title at ONE Fight Night 46. The Austrian fighter retained her championship against Russian challenger Natalia Diachkova during the main event at Lumpinee Stadium in Bangkok, Thailand, on Saturday, August 14, 2026.

This victory marked the first title defense for Hemetsberger in the strawweight Muay Thai division. The 27-year-old Austrian currently holds two titles within the promotion, as she also possesses the women's strawweight kickboxing championship. She previously secured both of these belts by defeating Jackie Buntan.

Diachkova entered the contest with a 6-1 record under the ONE banner. The Russian fighter, who has experience in MMA, arrived at the Lumpinee Stadium on a two-fight winning streak.

The event featured a variety of disciplines including MMA, kickboxing, and submission grappling. In the kickboxing bouts, Nico Carrillo faced Zhou Jiaqiang, while Kana took on Yu Yau Pui and Dmitrii Kovtun fought Denis Souza Jr.

The MMA portion of the card included a matchup between Jhanlo Mark Sangiao and Marcos Aurelio, as well as Viet Anh Do against Davi Brandāo. Natalie Salcedo also competed in an MMA bout against Magdalena Czaban. The submission grappling division saw Ruan Alvarenga face Meyram Maquine.