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

EGTB: win in 14 half-moves

# move score
1 Kb7 win in 13 half-moves
2 Kb8 win in 13 half-moves
3 b4 loss in 6 half-moves
4 Kc7 loss in 4 half-moves
5 Kcd7 loss in 4 half-moves
6 Kcd8 loss in 4 half-moves
7 Ke7 loss in 4 half-moves
8 Ked7 loss in 4 half-moves
9 Ked8 loss in 4 half-moves
10 Na4 loss in 4 half-moves
11 Na6 loss in 4 half-moves
12 Nb7 loss in 4 half-moves
13 Nd7 loss in 4 half-moves
14 Kf7 loss in 2 half-moves
15 Kf8 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