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

EGTB: win in 12 half-moves

# move score
1 b5 win in 11 half-moves
2 Kc5 win in 11 half-moves
3 Kd5 win in 11 half-moves
4 Kf6 win in 13 half-moves
5 Ke7 win in 15 half-moves
6 Ke8 win in 15 half-moves
7 Kf8 win in 15 half-moves
8 Kb7 loss in 4 half-moves
9 Kc7 loss in 4 half-moves
10 Kd6 loss in 4 half-moves
11 Kd7 loss in 4 half-moves
12 Ke6 loss in 4 half-moves
13 Nc7 loss in 4 half-moves
14 Kb5 loss in 3 half-moves
15 Kg6 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves