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

EGTB: win in 2 half-moves

# move score
1 Kd3 win in 1 half-moves
2 Kd4 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kf4 loss in 20 half-moves
5 Kf5 loss in 18 half-moves
6 Kf3 loss in 16 half-moves
7 Ke3 loss in 2 half-moves
8 Ke5 loss in 2 half-moves