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 Ka7 win in 11 half-moves
3 Ka8 win in 11 half-moves
4 Kbb6 win in 11 half-moves
5 Kc5 win in 11 half-moves
6 Kd5 win in 11 half-moves
7 Ne8 win in 11 half-moves
8 Kb8 win in 13 half-moves
9 Kcb6 win in 13 half-moves
10 Kcc7 win in 15 half-moves
11 Nc8 win in 15 half-moves
12 Ka6 draw
13 Kc8 loss in 4 half-moves
14 Kd7 loss in 4 half-moves
15 Kbc7 loss in 3 half-moves
16 Nc4 loss in 2 half-moves
17 Ne4 loss in 2 half-moves
18 Nf5 loss in 2 half-moves
19 Nf7 loss in 2 half-moves