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

EGTB: win in 2 half-moves

# move score
1 Kd6 win in 1 half-moves
2 Ke4 win in 1 half-moves
3 Ke5 win in 1 half-moves
4 Ke6 win in 1 half-moves
5 Kc4 loss in 14 half-moves
6 Kc5 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kd4 loss in 2 half-moves