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 Kc7 win in 1 half-moves
3 Ka7 draw
4 Kaa6 draw
5 Kba6 draw
6 Kbb5 draw
7 Kc5 draw
8 Kc6 draw
9 Ka4 loss in 2 half-moves
10 Kab5 loss in 2 half-moves
11 Kb4 loss in 2 half-moves