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

EGTB: win in 10 half-moves

# move score
1 b4 win in 9 half-moves
2 Ka7 win in 9 half-moves
3 Kb7 win in 9 half-moves
4 Kf6 win in 9 half-moves
5 Kf7 win in 9 half-moves
6 Ke6 win in 11 half-moves
7 Kb6 win in 13 half-moves
8 Kd6 win in 13 half-moves
9 Kd7 win in 13 half-moves
10 Kd8 win in 13 half-moves
11 Ke8 win in 13 half-moves
12 Kf8 loss in 4 half-moves
13 Na5 loss in 4 half-moves
14 Na7 loss in 4 half-moves
15 Nb8 loss in 4 half-moves
16 Nd8 loss in 4 half-moves
17 Ne5 loss in 4 half-moves
18 Ka5 loss in 3 half-moves
19 Nb4 loss in 2 half-moves
20 Nd4 loss in 2 half-moves