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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb5 win in 5 half-moves
3 Nb5 win in 11 half-moves
4 b5 loss in 4 half-moves
5 Kc5 loss in 4 half-moves
6 Kc7 loss in 4 half-moves
7 Kd5 loss in 4 half-moves
8 Kd6 loss in 4 half-moves
9 Kd7 loss in 4 half-moves
10 Ke5 loss in 4 half-moves
11 Ke6 loss in 4 half-moves
12 Ke7 loss in 4 half-moves
13 Kf5 loss in 4 half-moves
14 Kf7 loss in 4 half-moves
15 Ne6 loss in 4 half-moves
16 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Nb3 loss in 2 half-moves
20 Nc2 loss in 2 half-moves
21 Ne2 loss in 2 half-moves
22 Nf3 loss in 2 half-moves
23 Nf5 loss in 2 half-moves