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 Ka3 draw
3 Kb3 draw
4 Kb4 draw
5 Kc3 draw
6 Kc4 draw
7 Kd3 draw
8 Kd5 draw
9 Ke3 draw
10 Ke4 draw
11 Ke5 draw
12 Ka5 loss in 2 half-moves
13 Kb5 loss in 2 half-moves