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 Ke8 win in 3 half-moves
3 Kd6 draw
4 Ke6 draw
5 Kc6 loss in 20 half-moves
6 Kc7 loss in 16 half-moves
7 Kd8 loss in 10 half-moves
8 Kc8 loss in 8 half-moves