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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Ka8 draw
3 Kba7 draw
4 Kc8 draw
5 Ka5 loss in 2 half-moves
6 Kaa7 loss in 2 half-moves
7 Kab7 loss in 2 half-moves
8 Kbb7 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kb5 loss in 1 half-moves