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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Kd6 draw
3 Ke4 draw
4 Ke6 draw
5 Kc5 loss in 90 half-moves
6 Kc6 loss in 90 half-moves
7 Kc4 loss in 84 half-moves
8 Kd4 loss in 84 half-moves