
More than three years on the ONE stage have been a crucial period that permanently transformed "Sek San A.Khwanmuang's" life. Today, his boxing journey is reaching its final chapter as he prepares to battle his eternal rival "Muangthai." Regardless of how Part 6 concludes, he is determined to fight his last fight true to his nickname, "The Relentless Fighter." )"""}],
After more than two decades immersed in Muay Thai and nearly 400 fights, "Sek San" once thought his professional boxing path had reached its end. Yet, his decision to rise and fight again led him to an opportunity that forever changed his and his family's life.
On 20 Jan 2023, he debuted at ONE Lumpinee's inaugural event, achieving his 200th win over "Tyson Harrison," earning a $50,000 USD bonus (approximately 1.7 million baht).
In August 2023, he showcased fierce form befitting his nickname, securing a ONE athlete contract worth $100,000 USD (about 3.4 million baht) at ONE Lumpinee 29.
Over three years, he earned six bonuses totaling 3,850,000 baht. Including base pay and bonuses, his income from ONE reached nearly 11 million baht.
Every drop of sweat was converted into a family home, children's education funds, retirement businesses, and charitable giving to the underprivileged, demonstrating how opportunity from ONE combined with dedication can truly provide stability for fighters.
"Sek San" officially announced his retirement, choosing "Muangthai PK.Saenchai," his longtime rival with whom he has fought five times, as his final opponent on the ONE Lumpinee stage. Sek San A.Khwanmuang's last fight will take place on Friday, 11 Sep 26.