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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kd7 draw
3 Kd8 draw
4 Nb2 draw
5 Nc3 draw
6 Nc5 draw
7 Kf7 loss in 4 half-moves
8 Kf8 loss in 4 half-moves
9 Nb6 loss in 2 half-moves