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 Kb2 draw
3 Kb3 draw
4 Nc1 draw
5 Nc3 draw
6 Nb4 loss in 16 half-moves
7 Ka4 loss in 4 half-moves