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 Ka6 win in 1 half-moves
3 Ka4 loss in 1 half-moves
4 Kab6 loss in 1 half-moves
5 Kb4 loss in 1 half-moves
6 Kb7 loss in 1 half-moves
7 Kb8 loss in 1 half-moves
8 Kc6 loss in 1 half-moves
9 Kc8 loss in 1 half-moves
10 Kcb6 loss in 1 half-moves
11 Kd6 loss in 1 half-moves
12 Kd7 loss in 1 half-moves
13 Kd8 loss in 1 half-moves
14 Na4 loss in 1 half-moves
15 Na6 loss in 1 half-moves
16 Nb3 loss in 1 half-moves
17 Nb7 loss in 1 half-moves
18 Nd3 loss in 1 half-moves
19 Nd7 loss in 1 half-moves
20 Ne4 loss in 1 half-moves
21 Ne6 loss in 1 half-moves