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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Ka4 loss in 2 half-moves
4 Ka6 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kg6 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kh5 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kb4 loss in 1 half-moves