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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 draw
4 Kc5 draw
5 Kd7 draw
6 Nc7 draw
7 Nd6 draw
8 Nf6 draw
9 Kd5 loss in 2 half-moves
10 Kc7 loss in 1 half-moves
11 Kd6 loss in 1 half-moves
12 Ng7 loss in 1 half-moves