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 Kc3 draw
4 Kc4 draw
5 Ka5 loss in 48 half-moves
6 Ka4 loss in 40 half-moves
7 Ka3 loss in 32 half-moves
8 Kb3 loss in 32 half-moves