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 Ka8 win in 1 half-moves
3 Kb6 win in 1 half-moves
4 Kc7 win in 1 half-moves
5 Nb4 win in 1 half-moves
6 Kcb7 loss in 2 half-moves
7 Kcb8 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ka6 loss in 1 half-moves
11 Kab7 loss in 1 half-moves
12 Kab8 loss in 1 half-moves
13 Nc1 loss in 1 half-moves
14 Nc3 loss in 1 half-moves