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 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc7 draw
8 Kd7 draw
9 Kd8 draw
10 Kb5 loss in 2 half-moves