Mini Sumo robots can have any height and are typically 10 cm x 10 cm and weigh no more than 500 g.

Mini Sumo with line following adds a line following course.  The line is made out of black electrical tape.  The pattern and lenght of the line following course is to be determined during the event.  

Robots need to be autonomous.

A robot may expand in size after a match begins, but must not physically separate into pieces, and must remain a single centralized robot.

Jamming devices, such as IR LEDs intended to saturate the opponents IR sensors, are not allowed.

Devices that can store liquid, powder, gas or other substances for throwing at the opponent are not allowed.

Any flaming devices are not allowed.

Devices that throw things at your opponent are not allowed.

Sticky substances to improve traction are not allowed. Tires and other components of the robot in contact with the ring must not be able to pick up and hold a standard 3"x5" index card for more than two seconds

The referee will call the start, upon which the competitor can activate the robot. The robot has to wait 5 seconds after being activated before it can start.

There are 5 rounds:

- robots facing each other

- robots pointing outwards

- robots pointing sideways in opposite directions

Winning robot is the one who was able to push its opponent out the ring at least 3 times out of 5 rounds.

Each round lasts maximally 4 minutes.

A sumo ring is a black circle (diameter 77 cm), with a white outer edge and 3/4" high.