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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Kg6 win in 3 half-moves
3 Kg5 win in 5 half-moves
4 Ke4 loss in 8 half-moves
5 Kf4 loss in 8 half-moves
6 Kg4 loss in 8 half-moves
7 Ke5 loss in 2 half-moves
8 Ke6 loss in 2 half-moves