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

EGTB: win in 1 half-moves

# move score
1 Bcxf3 win in 3 half-moves
2 Bdxf3 win in 3 half-moves
3 Bxa8 loss in 2 half-moves
4 Rxa8 loss in 2 half-moves