wipe out an old score (with someone)

To get vengeance on someone for a past transgression or grievance; to punish someone for causing one harm or misfortune in the past. The former champion entered the competition looking to wipe out an old score with the young player who dethroned him in the previous tournament. After five years hiding from the law, Hofstadter decided it was time to return to town and wipe out some old scores.