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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Ke3 draw
3 Ke4 draw
4 Kf3 draw
5 Kg3 draw
6 Kg4 draw
7 Ke5 loss in 2 half-moves
8 Kg5 loss in 2 half-moves