In the top left corner click the menu, 'Upcoming Events'
Click the green + circle on the event you want a matchup for
Click 'Submit Boxers' button and you will be taken to a list of your boxers
Select the checkbox next to all the boxers you want to submit for a matchup to the event
Click the 'Request Match for Selected Boxers' button
You will be taken to the Matchup section for that Event which shows the list of all boxers submitted to the event as well as accepted and pending matches
You will be notified by email when the match maker has matched your boxer
When the match maker has matched your boxer, you will need to Accept or Decline the matchup from your Dashboard