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

EGTB: win in 12 half-moves

# move score
1 b4 win in 11 half-moves
2 Ka6 win in 15 half-moves
3 Ka7 win in 15 half-moves
4 Ka8 win in 15 half-moves
5 Kb6 win in 15 half-moves
6 Kb8 win in 15 half-moves
7 Kdc8 win in 15 half-moves
8 Kd7 loss in 4 half-moves
9 Na5 loss in 4 half-moves
10 Na7 loss in 4 half-moves
11 Nb8 loss in 4 half-moves
12 Kbc7 loss in 3 half-moves
13 Kbc8 loss in 3 half-moves
14 Kdc7 loss in 3 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Nb4 loss in 2 half-moves
18 Nd4 loss in 2 half-moves
19 Ne5 loss in 2 half-moves
20 Ne7 loss in 2 half-moves