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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Ka5 loss in 44 half-moves
3 Kb5 loss in 44 half-moves
4 Ka6 loss in 40 half-moves
5 Kb7 loss in 40 half-moves
6 Ka7 loss in 14 half-moves
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves