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 Kc6 win in 1 half-moves
3 Kaa5 draw
4 Kb4 draw
5 Kba5 draw
6 Kc4 draw
7 Ka4 loss in 10 half-moves
8 Ka7 loss in 2 half-moves
9 Kab6 loss in 2 half-moves
10 Kbb6 loss in 2 half-moves
11 Kc5 loss in 2 half-moves