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

EGTB: win in 2 half-moves

# move score
1 Ka2 win in 1 half-moves
2 Kb2 win in 1 half-moves
3 Kb5 win in 1 half-moves
4 Kc3 win in 1 half-moves
5 Kc4 win in 1 half-moves
6 Kc5 win in 1 half-moves
7 Ka5 loss in 2 half-moves
8 Kba4 loss in 2 half-moves
9 Kaa4 loss in 1 half-moves
10 Kab3 loss in 1 half-moves
11 Kbb3 loss in 1 half-moves