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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kh2 win in 1 half-moves
3 Kh4 win in 1 half-moves
4 Kg2 loss in 2 half-moves
5 Kg3 loss in 2 half-moves
6 Kg4 loss in 2 half-moves
7 Ka7 loss in 1 half-moves
8 Ka8 loss in 1 half-moves
9 Kc7 loss in 1 half-moves
10 Kc8 loss in 1 half-moves