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 Ka7 draw
3 Kb5 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc6 draw
8 Kd4 draw
9 Kd5 loss in 2 half-moves
10 Kc4 loss in 1 half-moves
11 Kd6 loss in 1 half-moves