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

EGTB: win in 18 half-moves

# move score
1 Kc6 win in 17 half-moves
2 Kc8 win in 19 half-moves
3 Kaa8 win in 21 half-moves
4 Kc7 win in 27 half-moves
5 b5 loss in 4 half-moves
6 Kab8 loss in 4 half-moves
7 Kbb8 loss in 4 half-moves
8 Kaa6 loss in 3 half-moves
9 Kba6 loss in 3 half-moves
10 Kba8 loss in 3 half-moves
11 Nb3 loss in 2 half-moves
12 Nc4 loss in 2 half-moves
13 Nc6 loss in 2 half-moves