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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Ka4 win in 1 half-moves
3 Ka7 win in 1 half-moves
4 Kb4 win in 1 half-moves
5 Nb6 win in 1 half-moves
6 Kb8 loss in 2 half-moves
7 Kba6 loss in 2 half-moves
8 Kbb6 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kaa6 loss in 1 half-moves
12 Kab6 loss in 1 half-moves
13 Kc7 loss in 1 half-moves
14 Nc7 loss in 1 half-moves