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

EGTB: win in 16 half-moves

# move score
1 Kb7 win in 15 half-moves
2 Kb8 win in 15 half-moves
3 Kc5 win in 15 half-moves
4 Kc7 win in 15 half-moves
5 Nb6 win in 15 half-moves
6 Kb5 win in 17 half-moves
7 b3 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kc3 loss in 2 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 Nc7 loss in 2 half-moves