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 loss in 24 half-moves
3 Kc3 loss in 24 half-moves
4 Kc4 loss in 24 half-moves
5 Ka3 loss in 16 half-moves
6 Ka4 loss in 16 half-moves
7 Kb3 loss in 16 half-moves
8 Ka5 loss in 14 half-moves