Has an NPB (Japan) game ever ended 21-10?

Exactly once. On June 7, 2010, Orix Buffaloes beat Hiroshima Toyo Carp 21-10, and no NPB (Japan) game before or since has ended that way. When it happened it was a scorigami, the first 21-10 in league history.

Where 21-10 sits among nearby NPB (Japan) scores. Deeper blue means a score has happened more often; the outlined cell is the new one.

That makes 21-10 the 191st most common final score out of 223 that have ever occurred in NPB (Japan). One point away, 22-10 has happened never and 21-11 has happened 2 times.

Every 21-10 in NPB (Japan) history

Date	Result	Season
2010-06-07	Orix Buffaloes over Hiroshima Toyo Carp	2010

Open the NPB (Japan) grid at 21-10