Rider lays back on water, board is taken out of water and above the head, body is spun around backside and the rider stands back up onto feet.
1. Approach transition point riding toeside with forward arm's hand scraping the water.
2. At the same time as you move the kite to the other side of the window, do a forward Summasault over your forward hand
3. Stand up while driving your kite into the window in the opposite direction from which you entered the tumble turn