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 Kab7 win in 1 half-moves
4 Kb8 win in 1 half-moves
5 Kc8 win in 1 half-moves
6 Kd8 win in 1 half-moves
7 Ka5 loss in 1 half-moves
8 Kab6 loss in 1 half-moves
9 Kc6 loss in 1 half-moves
10 Kcb6 loss in 1 half-moves
11 Kcb7 loss in 1 half-moves
12 Kd6 loss in 1 half-moves
13 Kd7 loss in 1 half-moves
14 Na4 loss in 1 half-moves
15 Nb3 loss in 1 half-moves
16 Nb7 loss in 1 half-moves
17 Nd3 loss in 1 half-moves
18 Nd7 loss in 1 half-moves
19 Ne4 loss in 1 half-moves
20 Ne6 loss in 1 half-moves