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

EGTB: win in 2 half-moves

# move score
1 Ke4 win in 1 half-moves
2 Ke5 win in 1 half-moves
3 Kd6 loss in 40 half-moves
4 Kc5 loss in 38 half-moves
5 Kc4 loss in 36 half-moves
6 Kc6 loss in 34 half-moves
7 Kd4 loss in 2 half-moves
8 Ke6 loss in 2 half-moves