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 Kc8 win in 3 half-moves
3 Kb6 loss in 32 half-moves
4 Kb8 loss in 24 half-moves
5 Ka6 loss in 22 half-moves
6 Ka8 loss in 16 half-moves
7 Ka7 loss in 14 half-moves
8 Kc6 loss in 2 half-moves