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

EGTB: win in 4 half-moves

# move score
1 Kd4 win in 3 half-moves
2 Ke4 draw
3 Kf4 draw
4 Kd5 loss in 44 half-moves
5 Kd6 loss in 44 half-moves
6 Kf5 loss in 38 half-moves
7 Ke6 loss in 34 half-moves
8 Kf6 loss in 30 half-moves