Tennis player can spontaneously reduce a shoulder dislocation. He can do it again and again himself. He is suffering from?

Most common shoulder dislocation is Anterior type of shoulder dislocation which accounts for 95%. Since, it was mentioned that the player can reduce the dislocation "again and again", it could be a habitual type of dislocation which is recurrent. Acute shoulder dislocations are very painful which cannot be reduced or relocated again and again. Inferior type of shoulder dislocation usually presents with a characteristic"salute position" hence can be excluded.