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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Ke7 win in 1 half-moves
3 b5 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Na3 loss in 2 half-moves
11 Na5 loss in 2 half-moves
12 Nb2 loss in 2 half-moves
13 Nd2 loss in 2 half-moves
14 Nd6 loss in 2 half-moves
15 Ne3 loss in 2 half-moves
16 Ne5 loss in 2 half-moves
17 Kcc7 loss in 1 half-moves
18 Kcd7 loss in 1 half-moves
19 Kdc7 loss in 1 half-moves
20 Kdd7 loss in 1 half-moves