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 Kb4 win in 13 half-moves
3 Kb8 win in 13 half-moves
4 Kc8 win in 13 half-moves
5 Kd4 win in 13 half-moves
6 Kd6 win in 13 half-moves
7 Kd7 win in 13 half-moves
8 Kd8 win in 13 half-moves
9 Kb5 win in 15 half-moves
10 Kd5 win in 15 half-moves
11 Na5 win in 15 half-moves
12 Nb8 win in 15 half-moves
13 Na7 win in 17 half-moves
14 b5 loss in 4 half-moves
15 Kc5 loss in 3 half-moves
16 Kb3 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Nb4 loss in 2 half-moves
20 Nd4 loss in 2 half-moves
21 Nd8 loss in 2 half-moves
22 Ne5 loss in 2 half-moves
23 Ne7 loss in 2 half-moves