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 Kd7 draw
3 Kd8 draw
4 Kef7 draw
5 Kef8 draw
6 Kf6 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kgf7 loss in 2 half-moves
9 Kgf8 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Kh8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves