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 Kc6 draw
3 Kb6 loss in 16 half-moves
4 Ka6 loss in 12 half-moves
5 Ka4 loss in 8 half-moves
6 Ka5 loss in 8 half-moves
7 Kb4 loss in 2 half-moves
8 Kc4 loss in 2 half-moves