Does a rain-shortened official NPB game void a pitcher strikeout prop that has already gone over?

Short answer

Not automatically. An NPB game can have an official result while a betting market still has its own minimum-game or completion condition. Check the official strikeout total, then the operator’s NPB player-prop and abandoned-game rules. Do not assume that an over which has already been reached must stand: that conclusion needs the actual settlement terms.

NPB official rules updates; settlement conditions come from the specific operator

What to check

Verify named operator NPB coverage and minimum innings or already-determined provisions before writing a market-specific answer.

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