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

EGTB: win in 4 half-moves

# move score
1 Kde7 win in 3 half-moves
2 Kc7 draw
3 Kd7 draw
4 Ke6 draw
5 Kf8 draw
6 Kfe7 draw
7 Kfe8 draw
8 Kg6 draw
9 Kg7 draw
10 Kg8 draw
11 Kc8 loss in 2 half-moves
12 Kde8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves