Rajadamnern champion Phetsukhumvit was scheduled to face
Yodtongthai Sor.Sommai for the vacant Rajadamnern Stadium 130lbs title on December 3, 2020. He lost the fight by decision. On March 13, 2022, Phetsukhumvit faced Yodwittaya SirilakMuaythai for the vacant Rajadamnern Stadium 130 lbs title. He won the fight by knockout in the third round. On August 13, 2022, Phetsukhumvit faced
Chalam Parunchai in Ko Samui. He lost the fight by decision. On September 11, 2022, Phetsukhumvit travelled to Kazakhstan as part of a diplomatic mission to participate in an event celebrating the thirty years of the Thai-Kazakh relations. He faced Yodkitsada Yuthachonburi in the main event and won by decision. As of December 2022 Phetsukhumvit was ranked #3 in the world at 130 lbs by the World Muaythai Organization.
ONE Championship On February 3, 2023, Phetsukhumvit defeated
Chorfah Tor.Sangtiennoi by unanimous decision at
ONE Friday Fights 3. For his second fight on ONE Lumpinee Phetsukhumvit knocked out Petchmuangsri Tded99 in the second round with punches at ONE Friday Fights 8 on March 10, 2023. He received a 350,000 baht performance bonus for this victory. As of March 2023 Phetsukhumvit was the #1 ranked 130 lbs muay thai fighter in the world according to the WBC Muay Thai.Phetsukhumvit won his third fight in a row with ONE Championship when he defeated
Kongthoranee Sor.Sommai by unanimous decision on April 7, 2023, at
ONE Friday Fights 12. ==Titles and accomplishments==