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 Ka4 draw
3 Kb2 draw
4 Kb3 draw
5 Nc1 draw
6 Nc3 draw
7 Nb4 loss in 8 half-moves