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 Nb2 loss in 2 half-moves
3 Nb6 loss in 2 half-moves
4 Nc3 loss in 2 half-moves
5 Nc5 loss in 2 half-moves
6 Ka6 loss in 1 half-moves
7 Ka7 loss in 1 half-moves
8 Ka8 loss in 1 half-moves
9 Kb6 loss in 1 half-moves
10 Kbb8 loss in 1 half-moves
11 Kbc7 loss in 1 half-moves
12 Kc6 loss in 1 half-moves
13 Kcb8 loss in 1 half-moves
14 Kcc7 loss in 1 half-moves
15 Kd7 loss in 1 half-moves
16 Kd8 loss in 1 half-moves