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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kd4 draw
3 Ke4 draw
4 Kd5 loss in 48 half-moves
5 Kf5 loss in 48 half-moves
6 Kd6 loss in 46 half-moves
7 Ke6 loss in 44 half-moves
8 Kf6 loss in 42 half-moves