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

EGTB: win in 2 half-moves

# move score
1 b5 win in 1 half-moves
2 Kd6 win in 1 half-moves
3 Kd7 win in 1 half-moves
4 Kd8 win in 1 half-moves
5 Nd4 win in 1 half-moves
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Na1 loss in 2 half-moves
15 Na3 loss in 2 half-moves
16 Nb4 loss in 2 half-moves
17 Ne1 loss in 2 half-moves
18 Ne3 loss in 2 half-moves