The men's sabre event at the 2020 Summer Olympics took place on 24 July 2021 at the Makuhari Messe.

[2] Two-time defending champion Hungary's Áron Szilágyi completed the three-peat by winning the gold medal.

A preview from Olympics.com identified Szilágyi and Oh as among the strongest contenders in the event, although Oh was eliminated by Sandro Bazadze and failed to medal.

[4] A National Olympic Committee (NOC) could enter up to 3 qualified fencers in the men's sabre.

[2][5] The 1996 tournament had vastly simplified the competition format into a single-elimination bracket, with a bronze medal match.

The first session was scheduled to run from 9 a.m. to approximately 4:20 p.m. (when the quarterfinals were expected to conclude), after which there was a break until 6 p.m. before the semifinals and medal bouts were held.