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

EGTB: win in 8 half-moves

# move score
1 Nb4 win in 7 half-moves
2 Kb5 win in 11 half-moves
3 Kb7 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 Kcd6 loss in 4 half-moves
8 Kcd7 loss in 4 half-moves
9 Kd8 loss in 4 half-moves
10 Ke6 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Ked7 loss in 4 half-moves
13 Kf6 loss in 4 half-moves
14 Kf7 loss in 4 half-moves
15 Kf8 loss in 4 half-moves
16 Nc7 loss in 4 half-moves
17 Ked6 loss in 3 half-moves
18 Nc3 loss in 2 half-moves
19 Ne3 loss in 2 half-moves
20 Nf4 loss in 2 half-moves
21 Nf6 loss in 2 half-moves