#$%^&*AU2017204198A120180201.pdf#####ABSTRACT OF THE DISCLOSURE The invention provides seed and plants of the watermelon line designated TCSEJ12-2622. The invention thus relates to the plants, seeds and tissue cultures of watermelon line TCSEJ122622, and to methods for producing a watermelon plant produced by crossing a plant of watermelon line TCSEJ12-2622 with itself or with another watermelon plant, such as a plant of another line. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of a plant of watermelon line TCSEJ12-2622, including the fruits and gametes of such plants.