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 2 half-moves
3 Ka6 loss in 2 half-moves
4 Ka7 loss in 2 half-moves
5 Kb7 loss in 2 half-moves
6 Kbc6 loss in 2 half-moves
7 Kbc7 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Kdc6 loss in 2 half-moves
13 Kdc7 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves