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

EGTB: win in 10 half-moves

# move score
1 Kb7 win in 9 half-moves
2 Kb5 win in 13 half-moves
3 b5 loss in 4 half-moves
4 Kb3 loss in 4 half-moves
5 Kb4 loss in 4 half-moves
6 Kb8 loss in 4 half-moves
7 Kc3 loss in 4 half-moves
8 Kc5 loss in 4 half-moves
9 Kc7 loss in 4 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Nf6 loss in 2 half-moves
16 Nf8 loss in 2 half-moves
17 Ng5 loss in 2 half-moves