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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Ka7 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kc6 loss in 20 half-moves
5 Kc7 loss in 18 half-moves
6 Kb6 loss in 16 half-moves
7 Kb8 loss in 16 half-moves
8 Kc8 loss in 14 half-moves