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 Kc4 loss in 30 half-moves
3 Kc5 loss in 28 half-moves
4 Kc6 loss in 28 half-moves
5 Kd6 loss in 28 half-moves
6 Ke6 loss in 28 half-moves
7 Kd4 loss in 2 half-moves
8 Ke4 loss in 2 half-moves