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

EGTB: win in 2 half-moves

# move score
1 Ka6 win in 1 half-moves
2 Kc8 win in 1 half-moves
3 b3 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kbb7 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kcb7 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Nd4 loss in 2 half-moves
11 Ne5 loss in 2 half-moves
12 Ne7 loss in 2 half-moves
13 Ka5 loss in 1 half-moves
14 Ka7 loss in 1 half-moves
15 Kb8 loss in 1 half-moves
16 Kd8 loss in 1 half-moves
17 Na5 loss in 1 half-moves
18 Na7 loss in 1 half-moves
19 Nb8 loss in 1 half-moves
20 Nd8 loss in 1 half-moves