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

EGTB: win in 2 half-moves

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