I have screencast how this bug works
You're probably seeing en passant, which is a legal move.
https://support.chess.com/article/683-what-is-en-passant
You're probably seeing en passant, which is a legal move.
https://support.chess.com/article/683-what-is-en-passant
If you need help, please contact our Help and Support team.
I have screencast how this bug works