Wiktionary
n. (context baseball English) A game for which the starting pitcher does not record a win or a loss.
Wikipedia
A no decision is one of either of two complicated sports statistics scenarios: one in baseball and softball, and the other in boxing and related combat sports.
Usage examples of "no decision".
It was not weakness as far as game theory was concerned, because in the absence of minimax solutions there was no decision better than one purely random.
Over this vexed question there has been waged an acrimonious war of words, which has apparently led to no decision, nor any convictions--the disputants, one and all, remaining on the sides of the controversy occupied by them when the debate began.
Hence, unlike all your billions of underlings, no decision you make can cause a change in your status, even if it were to plunge us into a real war, rather than this piddling little disturbance with the Argaves.