Komgrich Nantapech (Thai: คมกฤช นันทเพชร), also better known as Eaktwan BTU Ruawaiking (เอกตะวัน บีทียูเรือไวกิ้ง) or Ektawan Mor Krungthep Thonburi (เอกตะวัน ม.กรุงเทพธนบุรี;[2] born July 24, 1989), is a Thai professional boxer who challenged for the IBF flyweight title in 2017.
Eaktawan was a Muay Thai fighter under the name Tawanrung Ueasamphan at first.
He moved to boxing full time in 2013.
A former Thai Flyweight champion and the current IBF Pan-Pacific flyweight champion, on April 29, 2017, Nantapech was the #4 IBF Flyweight, he challenged the #3 Donnie Nietes for the vacant IBF World Title vacated by then Champion Johnriel Casimero.
Solitary Sun) comes from his manager Ekarat and his supporter Ekachai Leuang Sa-Ard, he studied at the Faculty of Political Science, Bangkokthonburi University.