You may use any wrestler for this. During the screen when you select to play as your characther or the opponent, choose the opponent. Then during the match, go outside the ring, and grab a chair, sledge hammer, barbed wire bat, etc. Then disqualify yourself by hitting the opponent with the weapon, or when disqualifacation is off, count out yourself.

Note: When trying to count out yourself, opponent may go out of the ring to break referees ten count.