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 Kb5 draw
3 Kb6 draw
4 Kd6 draw
5 Kd7 draw
6 Kb7 loss in 40 half-moves
7 Kc7 loss in 40 half-moves
8 Kd5 loss in 2 half-moves