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

EGTB: win in 20 half-moves

# move score
1 Kbb7 win in 19 half-moves
2 b5 loss in 4 half-moves
3 Kaa7 loss in 4 half-moves
4 Kab7 loss in 4 half-moves
5 Kba7 loss in 3 half-moves
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Nb3 loss in 2 half-moves
9 Nb7 loss in 2 half-moves
10 Nc4 loss in 2 half-moves
11 Nc6 loss in 2 half-moves