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

EGTB: win in 22 half-moves

# move score
1 K7b7 win in 21 half-moves
2 b5 loss in 4 half-moves
3 K7b8 loss in 4 half-moves
4 K8b8 loss in 4 half-moves
5 Ka6 loss in 4 half-moves
6 Nc6 loss in 4 half-moves
7 Ne6 loss in 4 half-moves
8 K8b7 loss in 3 half-moves
9 Nb7 loss in 3 half-moves
10 Nf7 loss in 2 half-moves