A method for controlling a dishwasher is described. The method includes the actions of increasing a rotation speed of the washing tub to a predetermined target rotation speed with at least a part of laundry soaked in wash water. The actions further include rotating the washing tub at the target rotation speed for a predetermined period of time; decreasing the rotation speed of the washing tub. The actions further include draining the wash water from the washing tub while rotating the washing tub at the target rotation speed for the predetermined period of time or decreasing the rotation speed of the washing tub.