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

EGTB: win in 4 half-moves

# move score
1 K8f7 win in 3 half-moves
2 K8f8 win in 3 half-moves
3 K7d7 draw
4 K7d8 draw
5 K7f8 draw
6 K8d7 draw
7 K8d8 draw
8 Kd6 draw
9 Ke6 draw
10 K7f7 loss in 2 half-moves
11 Kf6 loss in 2 half-moves