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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Ka4 draw
3 Kb2 draw
4 Kb4 draw
5 Nc1 draw
6 Nc3 draw
7 Nb4 loss in 18 half-moves