Here is the full list of all 11 Real Boxing™ achievements.
Win a fight without getting hit.
Fully train your character.
Win all belts without getting knocked down once in the process.
Win the Boxing Legends belt.
Win the Night of the Champions belt.
Win 50 fights.
Win the Roosters' Tournament belt.
Perform 100 counterattacks.
Win your first fight.
Win your first fight by KO.
Complete the tutorial.