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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Ka8 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc7 draw
7 Kd5 draw
8 Kd7 draw
9 Ke5 draw
10 Ke6 draw
11 Ke7 draw
12 Ka6 loss in 2 half-moves
13 Kb6 loss in 2 half-moves