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 Ka5 draw
3 Nd6 draw
4 Ng7 draw
5 Ka3 loss in 4 half-moves
6 Kb3 loss in 4 half-moves
7 Nc7 loss in 2 half-moves
8 Nf6 loss in 2 half-moves
9 Kb5 loss in 1 half-moves