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

EGTB: win in 14 half-moves

# move score
1 b4 win in 13 half-moves
2 Ka6 win in 15 half-moves
3 Kc8 win in 15 half-moves
4 Kd7 win in 15 half-moves
5 Kd8 win in 15 half-moves
6 Ka7 win in 17 half-moves
7 Na5 win in 17 half-moves
8 Nb8 win in 19 half-moves
9 Kb8 loss in 4 half-moves
10 Kc5 loss in 4 half-moves
11 Kd6 loss in 4 half-moves
12 Na7 loss in 4 half-moves
13 Ka5 loss in 3 half-moves
14 Kbb7 loss in 3 half-moves
15 Kcb7 loss in 3 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