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 Kc6 win in 1 half-moves
4 Ka6 loss in 6 half-moves
5 Ka5 loss in 4 half-moves
6 Ka4 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb6 loss in 2 half-moves