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

EGTB: win in 8 half-moves

# move score
1 b4 win in 7 half-moves
2 Ka4 win in 11 half-moves
3 Kb4 win in 11 half-moves
4 Ka6 win in 13 half-moves
5 Kb6 win in 13 half-moves
6 Ke5 win in 13 half-moves
7 Kd5 win in 17 half-moves
8 Kd6 win in 17 half-moves
9 Kd7 win in 17 half-moves
10 Ke7 loss in 3 half-moves
11 Na6 loss in 3 half-moves
12 Na8 loss in 3 half-moves
13 Nd5 loss in 3 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Ne8 loss in 2 half-moves