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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kc4 win in 1 half-moves
3 Kaa3 draw
4 Ka2 loss in 2 half-moves
5 Ka5 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kba3 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kab4 loss in 1 half-moves
11 Kbb4 loss in 1 half-moves