[3] Nakatani fought the first 18 bouts of his professional career in his native Japan.
[2] After compiling a perfect record of 18-0, Nakatani made his first appearance in the ring outside of Japan when he faced fellow undefeated contender Teófimo López on July 19, 2019 in Oxon Hill, Maryland in an eliminator for the IBF lightweight title.
[4] On December 12, 2020 in Paradise, Nevada, Nakatani defeated Félix Verdejo by ninth-round technical knockout despite being down on all three scorecards at the time of the stoppage to capture the vacant WBO Inter-Continental lightweight title.
"[5] Nakatani returned to the ring on June 26, 2021 in Paradise, Nevada to face former three-division world champion Vasiliy Lomachenko, with whom he shares a common loss to Teófimo López.
[6] Nakatani was knocked down twice en route to a ninth-round technical knockout loss.