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

EGTB: win in 4 half-moves

# move score
1 Ke4 win in 3 half-moves
2 Kd4 draw
3 Ke5 draw
4 Ke6 loss in 54 half-moves
5 Kc6 loss in 42 half-moves
6 Kd6 loss in 42 half-moves
7 Kc4 loss in 2 half-moves
8 Kc5 loss in 2 half-moves