Judo Carioca Arena 2 Aug 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Methods for achieving Ippon (outright win) Perfect throw: Demonstrating strength, speed and control Pin: Opponent incapacitated for 20 seconds using recognised osaekomi-waza (mat hold) Tatami: Vinyl-covered foam mat absorbs impacts Judoka: Combatants wear loose- fitting cotton judogi, jacket and trousers of thick cloth Opponent lands on back Forced submission: Through shime-waza (choke/strangle) or kansetsu-waza (joint lock) 10m Contest area Referee Judge Safety area Scoreboard London Olympics men’s heavyweight judo gold medallist Teddy Riner (FRA) Bouts: 5 minutes (men), 4 minutes (women) Sources: Rio 2016, Olympic.org, BJA Pictures: Associated Press, Getty Images