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

EGTB: win in 14 half-moves

# move score
1 b5 win in 13 half-moves
2 Ka7 win in 13 half-moves
3 Kb7 win in 15 half-moves
4 Kc7 win in 15 half-moves
5 Kb5 loss in 4 half-moves
6 Kd6 loss in 4 half-moves
7 Nb7 loss in 4 half-moves
8 Ka5 loss in 3 half-moves
9 Kc6 loss in 3 half-moves
10 Kc8 loss in 3 half-moves
11 Kd8 loss in 3 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Na4 loss in 2 half-moves
16 Nb3 loss in 2 half-moves
17 Nd3 loss in 2 half-moves
18 Ne4 loss in 2 half-moves
19 Ne6 loss in 2 half-moves