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 Kc4 win in 11 half-moves
3 Kd4 win in 11 half-moves
4 Ka6 win in 13 half-moves
5 Ka8 win in 13 half-moves
6 Kb6 win in 13 half-moves
7 Ke5 win in 13 half-moves
8 Ke6 win in 13 half-moves
9 Kd6 win in 15 half-moves
10 Na6 win in 15 half-moves
11 Kc5 win in 17 half-moves
12 Kc6 win in 17 half-moves
13 Na8 win in 17 half-moves
14 Kb7 loss in 4 half-moves
15 Kb8 loss in 4 half-moves
16 Ke4 loss in 4 half-moves
17 Ne6 loss in 2 half-moves
18 Ne8 loss in 2 half-moves