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

EGTB: win in 2 half-moves

# move score
1 Kc4 win in 1 half-moves
2 Kc5 win in 1 half-moves
3 Kb6 draw
4 Kc6 draw
5 Ka6 loss in 44 half-moves
6 Ka5 loss in 36 half-moves
7 Ka4 loss in 28 half-moves
8 Kb4 loss in 2 half-moves