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 Ka7 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Nb3 win in 1 half-moves
5 Ka5 loss in 1 half-moves
6 Kb6 loss in 1 half-moves
7 Kd7 loss in 1 half-moves
8 Kd8 loss in 1 half-moves
9 Ke7 loss in 1 half-moves
10 Kf7 loss in 1 half-moves
11 Kf8 loss in 1 half-moves
12 Na4 loss in 1 half-moves
13 Nb7 loss in 1 half-moves
14 Nd3 loss in 1 half-moves
15 Nd7 loss in 1 half-moves
16 Ne4 loss in 1 half-moves
17 Ne6 loss in 1 half-moves