Hizawa means a non-technique. A winning situation where the victorious wrestler did not initiate a kimarite. The Japan Sumo Association recognizes five hiwaza.
Fumidashi 踏み出し[]
The opponent accidentally takes a backward step outside the ring with no attack initiated against him (rear step out).
Isamiashi 勇み足[]
In the performance of a kimarite, the opponent inadvertently steps too far forward and places a foot outside the ring. (forward step out).
Koshikudake 腰砕け[]
The opponent falls over backwards without a technique being initiated against him. This usually happens because he has over-committed to an attack. (inadvertent collapse).
Tsukihiza つきひざ[]
The opponent stumbles and lands on one or both knees without any significant prior contact with the winning wrestler (knee touch down).
Tsukite つき手[]
The opponent stumbles and lands on one or both hands without any significant prior contact with the winning wrestler (hand touch down).