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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Kb4 draw
3 Kd3 draw
4 Kd4 draw
5 Kb3 loss in 36 half-moves
6 Kb2 loss in 32 half-moves
7 Kc2 loss in 32 half-moves
8 Kd2 loss in 22 half-moves