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

EGTB: win in 2 half-moves

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