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 Kb5 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kd6 win in 1 half-moves
5 Ka6 loss in 1 half-moves
6 Ka8 loss in 1 half-moves
7 Kb4 loss in 1 half-moves
8 Kb7 loss in 1 half-moves
9 Kb8 loss in 1 half-moves
10 Kc4 loss in 1 half-moves
11 Kc6 loss in 1 half-moves
12 Kd4 loss in 1 half-moves
13 Na2 loss in 1 half-moves
14 Na4 loss in 1 half-moves
15 Nb1 loss in 1 half-moves
16 Nb5 loss in 1 half-moves
17 Nd1 loss in 1 half-moves
18 Nd5 loss in 1 half-moves
19 Ne2 loss in 1 half-moves
20 Ne4 loss in 1 half-moves