Soccer Lightweight sub-league for all team members between 14 and 19 year of age on July 1st. Soccer Lightweight games are played with a well-balanced electronic ball. The ball emits infrared (IR) light in so called “pulsed mode”. RoboCupJunior 2025 Soccer Rules – DRAFT (PDF) RoboCupJunior 2025 Soccer Rules – … Continue reading RCJ Soccer Lightweight