Saw Htoo Aung is the youngest champion in World Lethwei Championship history. Saw Htoo Aung made his Lethwei debut on June 2, 2018, at WLC 5: Knockout War where he defeated Lethee Moe. He then became the youngest champion in history by defeating previous champion Kyaw Zin Latt to become World Lethwei Light Welterweight National Champion at the age of 19.