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

EGTB: win in 4 half-moves

# move score
1 Kfe7 win in 3 half-moves
2 Kfe8 win in 3 half-moves
3 Kc7 draw
4 Kc8 draw
5 Kde7 draw
6 Kde8 draw
7 Kf7 draw
8 Kg7 draw
9 Kg8 draw
10 Kd7 loss in 2 half-moves