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 Ke3 loss in 6 half-moves
3 Kd3 loss in 2 half-moves
4 Kd4 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Kf3 loss in 2 half-moves
7 Kf4 loss in 2 half-moves
8 Kf5 loss in 2 half-moves