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 Kb4 win in 9 half-moves
3 Kc6 win in 9 half-moves
4 Kab6 win in 13 half-moves
5 Ka8 draw
6 Kb8 draw
7 Kbb6 draw
8 Kc7 draw
9 Kc8 draw
10 Ka4 loss in 4 half-moves
11 Kaa6 loss in 4 half-moves
12 Ka7 loss in 3 half-moves
13 Kba6 loss in 3 half-moves
14 Nc6 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