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 K5a6 draw
3 K7a6 draw
4 Ka4 draw
5 Kb4 draw
6 Kb8 draw
7 K5b6 loss in 2 half-moves
8 K7b6 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb5 loss in 2 half-moves