is a Japanese football player.
After coming runner-up in the J2 player of the Year awards 2010 while playing for Avispa Fukuoka he was installed as Club Captain for the club as they returned to J1 in 2011.
On 2 February 2019, Nakamachi joined Zambian team ZESCO United F.C.
However, within less than a year he was released by Zesco United F.C. in January 2020 for being "deemed as excess and not good enough for the eight-time Super League Champions" having "failed to really adapt and make any impact."
Updated to 2 December 2018.