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

EGTB: win in 4 half-moves

# move score
1 Kgf7 win in 3 half-moves
2 Kgf8 win in 3 half-moves
3 Kd7 draw
4 Kd8 draw
5 Kef7 draw
6 Kef8 draw
7 Kg7 draw
8 Kh7 draw
9 Kh8 draw
10 Ke7 loss in 2 half-moves