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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd8 draw
8 Nb6 draw
9 Nb8 loss in 26 half-moves
10 Nf8 loss in 8 half-moves
11 Nc5 loss in 2 half-moves
12 Ne5 loss in 2 half-moves
13 Nf6 loss in 2 half-moves