He challenged Panamanian Ismael Laguna in 1970 for the WBA/WBC Lightweight Title, but lost by TKO in the 13th round.
Nao has commented that her baby "looks totally, 150%" like former boxing world champion Guts Ishimatsu.
Haley Ishimatsu | The Dragon: Blood & Guts | No Guts...No Glory | No Guts. No Glory. | Guts Ishimatsu |