Click on the third or sixth rank to set the en passant target square.

EGTB: win in 1 half-moves

# move score
1 bxc8=R win in 8 half-moves
2 bxc8=K draw
3 bxc8=N draw
4 bxc8=B loss in 2 half-moves
5 bxc8=Q loss in 2 half-moves