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 Ka5 loss in 1 half-moves
3 Ka7 loss in 1 half-moves
4 Kab7 loss in 1 half-moves
5 Kb6 loss in 1 half-moves
6 Kb8 loss in 1 half-moves
7 Kcb7 loss in 1 half-moves
8 Kd7 loss in 1 half-moves
9 Kd8 loss in 1 half-moves
10 Na8 loss in 1 half-moves
11 Nd5 loss in 1 half-moves
12 Ne6 loss in 1 half-moves
13 Ne8 loss in 1 half-moves