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

EGTB: win in 10 half-moves

# move score
1 b5 win in 9 half-moves
2 Ka5 win in 9 half-moves
3 Kab7 win in 9 half-moves
4 Kb5 win in 9 half-moves
5 Kd6 win in 11 half-moves
6 Nc6 win in 17 half-moves
7 Ka7 loss in 3 half-moves
8 Kb8 loss in 3 half-moves
9 Kc6 loss in 3 half-moves
10 Kc8 loss in 3 half-moves
11 Kcb7 loss in 3 half-moves
12 Kd7 loss in 3 half-moves
13 Kd8 loss in 3 half-moves
14 Nb5 loss in 3 half-moves
15 Nb3 loss in 2 half-moves
16 Nc2 loss in 2 half-moves
17 Ne2 loss in 2 half-moves
18 Ne6 loss in 2 half-moves
19 Nf3 loss in 2 half-moves
20 Nf5 loss in 2 half-moves