Rajadamnern Stadium
Under the ring name "Newlukrak Pagonponsurin" (นิวลูกรัก ปกรณ์พรสุรินทร์) or "Newlukrak Sor Kattika" (นิวลูกรัก ส.กัตติกา), he won titles at Rajadamnern Stadium and Lumpinee Boxing Stadium in the 105 lbs division. Niyomtrong trains at Excindicongym in Bangkok. He's also an amateur boxing Thai national champion.