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

EGTB: win in 2 half-moves

# move score
1 b4 win in 1 half-moves
2 Ka7 win in 1 half-moves
3 Ka8 win in 1 half-moves
4 Kc5 win in 1 half-moves
5 Kc8 win in 1 half-moves
6 Kb6 loss in 2 half-moves
7 Kcb7 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kbb7 loss in 1 half-moves
12 Kbc7 loss in 1 half-moves
13 Kcc7 loss in 1 half-moves
14 Ne5 loss in 1 half-moves
15 Ne7 loss in 1 half-moves
16 Nf4 loss in 1 half-moves
17 Nf8 loss in 1 half-moves
18 Nh4 loss in 1 half-moves
19 Nh8 loss in 1 half-moves