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

EGTB: win in 46 half-moves

# move score
1 Kb5 win in 45 half-moves
2 Ka5 win in 47 half-moves
3 Kaa7 win in 49 half-moves
4 Kab7 loss in 4 half-moves
5 Kb6 loss in 4 half-moves
6 Kba7 loss in 2 half-moves
7 Kbb7 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ra7 loss in 2 half-moves