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

EGTB: win in 2 half-moves

# move score
1 Kf4 win in 1 half-moves
2 Kf6 win in 1 half-moves
3 Ke6 loss in 38 half-moves
4 Kg6 loss in 22 half-moves
5 Ke4 loss in 2 half-moves
6 Ke5 loss in 2 half-moves
7 Kg4 loss in 2 half-moves
8 Kg5 loss in 2 half-moves