Abstract: A glass door leaf includes a glass pane having upper and lower ends; an upper leaf profile attached to the upper end of the glass pane; an upper pivot reception embedded in the upper leaf profile and disposed adjacent to one lateral side of the glass pane for receiving an upper pivot pin; a door closer concealed in the upper leaf profile, the door closer having a pivoting axle and an actuation arm which at one end is connected to the pivoting axle and at the other end is rotatably connected to a slide member movably guided in a plate-shaped door support strip of an upper sub-structure; a lower leaf profile attached to the lower end of the glass pane; and a lower pivot reception embedded in the lower leaf profile and disposed adjacent to the one lateral side of the glass pane for receiving a lower pivot pin.