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

EGTB: win in 1 half-moves

# move score
1 Bxb8 win in 1 half-moves
2 Bxd4 win in 3 half-moves
3 Nxd4 loss in 2 half-moves
4 Rxd4 loss in 2 half-moves