Teerachai Sithmorseng
Tewa Kiram (; born 21 March 1992, Buriram, Thailand) also known as Teerachai Sithmorseng (ถิรชัย ศิษย์หมอเส็ง), Teerachai Kratingdaenggym (ถิรชัย กระทิงแดงยิม) or Teerachai Or Ekarin (ถิรชัย อ.เอกรินทร์), is a professional welterweight boxer. Kiram has peaked and was ranked 1st in World Boxing Association (WBA) as of January 2017 before he was knocked out in his last fight. He is still ranked 1st in Thailand and 97 in the world on Boxrec. He debut by defeating over fellow Thai Manfa Luksaikongdin, a former Pan Asian Boxing Association (PABA) Junior welterweight champion on points over six rounds in early 2008. In 2011  and 2013, he traveled to the United States as a sparring partner for star Manny Pacquiao. On February 17, 2017, he beat TKO Vijender Kumar from Indonesia in the ninth round at Morseng Thailand Building, Nham Daeng Market, Samut Prakan province. On January 20, 2018, he fought against and lost via 8th round KO to Lucas Matthysse from Argentina for the vacant WBA Welterweight world championship in California, United States. Organized by Oscar De La Hoya's Golden Boy Promotions. In this time, he has Sirimongkol Singwangcha and Suriya Prasathinphimai as a boxing partners.