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 Kd2 win in 1 half-moves
4 Ke2 win in 1 half-moves
5 Kf2 win in 1 half-moves
6 Ka4 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kf1 loss in 2 half-moves