All EBBA Competitive Teams are known as the London Tecumsehs. They play in the LDBA (London District Baseball Association), and will play against other teams in the London and surrounding areas. All Tecumseh teams are classified A/AA for tournament play (can enter A or AA tournaments), and for OBA championships will be classified A or AA by the LDBA. All coaches at the competitive level (head coaches and assistant coaches) are required by the LDBA to be certified "Trained" by NCCP, the National Coaching Certification Program in Canada.

Below is a list of the competitive teams for the upcoming season. For more information, or if you are interested in coaching a team, please go here, or contact Wayne Bilger, at (519) 451-9902, or by email at wbilger@ebba.ca.