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

EGTB: win in 14 half-moves

# move score
1 b5 win in 13 half-moves
2 Kf6 win in 15 half-moves
3 Kg6 win in 15 half-moves
4 Kb8 win in 17 half-moves
5 Kf8 win in 17 half-moves
6 Kg8 win in 17 half-moves
7 Ka7 loss in 4 half-moves
8 Ka8 loss in 4 half-moves
9 Ka6 loss in 3 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ne6 loss in 2 half-moves
17 Ne8 loss in 2 half-moves
18 Nf5 loss in 2 half-moves
19 Nh5 loss in 2 half-moves