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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka2 draw
3 Kb3 draw
4 Nc7 draw
5 Ka4 loss in 6 half-moves
6 Kb2 loss in 2 half-moves
7 Nb6 loss in 2 half-moves