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 Ka7 draw
3 Kb4 draw
4 Kb8 draw
5 Kba6 draw
6 Kc7 draw
7 Kc8 draw
8 Ka8 loss in 4 half-moves
9 Ka4 loss in 2 half-moves
10 Kaa6 loss in 2 half-moves
11 Kab6 loss in 2 half-moves
12 Kbb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves