Equestrian rider Hiroshi Hoketsu, who made his Olympic debut in Tokyo in 1964 and appeared in the 2012 London Games at the Japan record of 71 years of age, will be aiming to compete in his fourth Olympics after applying for a qualifying trial, according to the Japan Equestrian Federation.

Hoketsu, who was the oldest athlete taking part in the London Games, will be looking to win one of four spots available for Japan in the trial scheduled around May and June when 11 applicants will compete, the federation said.

In order to book his ticket to Rio de Janeiro, Hoketsu will have to attain certain scores in two tournaments before heading into the qualifying to meet the criteria set by the International Federation for Equestrian Sports.

Japan was first in a regional qualifier last September to secure four individual berths, as well as a spot in the team competition for the first time in two Olympics.