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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kff7 draw
3 Ke8 loss in 4 half-moves
4 Kf6 loss in 2 half-moves
5 Kg6 loss in 2 half-moves
6 Kgf7 loss in 2 half-moves
7 Kh6 loss in 2 half-moves
8 Kh7 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Rh8 loss in 2 half-moves