Hoketsu also qualified for the 1988 Summer Olympics, but was unable to compete when his horse was quarantined.

[4] In 2012, at the age of 70, Hoketsu won a berth for Japanese representation for the 2012 Summer Olympics in individual dressage[5] and in competition of equestrian at the 2012 Summer Olympics – Individual dressage he finished 40th.

In his 70s, the 1968 graduate of Duke University is regarded as the "hope for old men".

Hoketsu is the oldest Olympian to ever compete for Japan, and is the third oldest Olympian to compete ever, next to shooter Oscar Swahn of Sweden, who won a silver in the 1920 Summer Olympics and Arthur von Pongracz, who competed at age 72 in Dressage in 1936 Summer Olympics in Berlin.

This biographical article related to Japanese equestrianism is a stub.