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 Kf7 win in 3 half-moves
3 Kf6 win in 5 half-moves
4 Khg5 win in 5 half-moves
5 Kg4 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kgg5 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Rh7 loss in 2 half-moves
11 Rh8 loss in 2 half-moves