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

EGTB: win in 12 half-moves

# move score
1 b5 win in 11 half-moves
2 Kb5 win in 11 half-moves
3 Kb7 win in 11 half-moves
4 Kf5 win in 11 half-moves
5 Kcd6 win in 13 half-moves
6 Kd4 win in 13 half-moves
7 Kd7 win in 13 half-moves
8 Kf6 win in 13 half-moves
9 Na6 win in 13 half-moves
10 Ke4 win in 15 half-moves
11 Ked5 win in 15 half-moves
12 Kf4 win in 15 half-moves
13 Na8 win in 15 half-moves
14 Ked6 loss in 6 half-moves
15 Kc5 loss in 4 half-moves
16 Kcd5 loss in 4 half-moves
17 Ke6 loss in 4 half-moves
18 Nb5 loss in 4 half-moves
19 Nd5 loss in 4 half-moves
20 Ne6 loss in 4 half-moves
21 Ne8 loss in 4 half-moves