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

EGTB: win in 1 half-moves

# move score
1 Bxa6 win in 1 half-moves
2 Bbxe4 win in 3 half-moves
3 Bgxe4 loss in 4 half-moves
4 Rxa6 loss in 1 half-moves