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 Kf5 win in 9 half-moves
3 Nd5 win in 9 half-moves
4 Kb6 win in 11 half-moves
5 Ke5 win in 11 half-moves
6 Ke7 win in 11 half-moves
7 Kf6 win in 11 half-moves
8 Kf7 win in 11 half-moves
9 Ne8 win in 11 half-moves
10 Ka7 win in 13 half-moves
11 Kd5 win in 13 half-moves
12 Kd6 win in 13 half-moves
13 Kd7 win in 13 half-moves
14 Ka5 win in 15 half-moves
15 Na8 win in 15 half-moves
16 Kb7 loss in 4 half-moves