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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc7 draw
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves