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

EGTB: win in 14 half-moves

# move score
1 b5 win in 13 half-moves
2 Ka5 win in 13 half-moves
3 Kb5 win in 13 half-moves
4 Ka7 win in 17 half-moves
5 Kc7 win in 17 half-moves
6 Kc8 win in 17 half-moves
7 Kd8 win in 17 half-moves
8 Kb7 loss in 4 half-moves
9 Kd6 loss in 4 half-moves
10 Na7 loss in 3 half-moves
11 Nb8 loss in 3 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Na5 loss in 2 half-moves
16 Nb4 loss in 2 half-moves
17 Nd4 loss in 2 half-moves
18 Nd8 loss in 2 half-moves
19 Ne5 loss in 2 half-moves
20 Ne7 loss in 2 half-moves