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

EGTB: win in 1 half-moves

# move score
1 Bxg4 win in 3 half-moves
2 K4xg4 win in 3 half-moves
3 K3xg4 loss in 4 half-moves
4 Bxd7 loss in 2 half-moves