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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Kb8 win in 1 half-moves
5 Ka4 draw
6 Ka6 draw
7 Kb4 loss in 2 half-moves
8 Kb6 loss in 2 half-moves