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

EGTB: win in 8 half-moves

# move score
1 Kb4 win in 7 half-moves
2 Kb5 win in 11 half-moves
3 Kd6 win in 13 half-moves
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd4 draw
8 Kd5 draw
9 Ng3 draw
10 Nf4 loss in 2 half-moves
11 Nf6 loss in 2 half-moves
12 Ng7 loss in 2 half-moves