World Taekwondo FederationUnder World Taekwondo Federation (WTF) and Olympic rules, each sparring match consists of three semi-continuous 3-minuterounds of contact with a 1-minute rest between rounds. Black belts age 14 and over fight in 2-minute rounds with a one minute rest periods between round. Colored belts fight in 1-minute rounds with a 30-second rest period between rounds. International Taekwondo FederationThe ITF goes for 1 minute.