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

EGTB: win in 1 half-moves

# move score
1 Bxb6 win in 1 half-moves
2 Bxh8 win in 19 half-moves
3 Nxh8 loss in 2 half-moves
4 Rxh8 loss in 2 half-moves