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 Kd8 win in 11 half-moves
3 Ka6 win in 13 half-moves
4 Ka7 win in 13 half-moves
5 Kbb8 win in 13 half-moves
6 Ka8 win in 15 half-moves
7 Nc7 win in 21 half-moves
8 Nd8 win in 21 half-moves
9 Kbc7 loss in 4 half-moves
10 Kc6 loss in 4 half-moves
11 Kcb8 loss in 4 half-moves
12 Kcc7 loss in 4 half-moves
13 Kd7 loss in 4 half-moves
14 Nc5 loss in 2 half-moves
15 Nd4 loss in 2 half-moves
16 Nf4 loss in 2 half-moves
17 Nf8 loss in 2 half-moves
18 Ng5 loss in 2 half-moves
19 Ng7 loss in 2 half-moves