19 men or 18 women competed in each division, plus 6 others allocated either to the host country or by the tripartite commission into divisions yet to be determined prior to the Olympics. Wrestlers determined by lot competed in qualification rounds to reduce the number to 16, thereafter proceeding by simple knockout to determine the finalists who competed for gold and silver. The two groups of wrestlers respectively defeated in the 3 or 4 bouts of the two finalists competed in two serial elimination repechages, with the victor in each repechage being awarded bronze.
Men's freestyle 60 kgBesik Kudukhov of Russia failed an anti-doping test in a 2016 wave of retesting, however the IOC chose to file his case after being informed by the Russian Olympic Committee that he had died in 2013.
Men's freestyle 74 kgSoslan Tigiev of Uzbekistan originally won bronze medal, but was disqualified after failing an anti-doping retest in 2016. United World Wrestling have reallocated medals accordingly.