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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka6 draw
5 Kb2 draw
6 Kb6 draw
7 Kc1 draw
8 Kc2 draw
9 Ka8 loss in 2 half-moves
10 Kb8 loss in 2 half-moves