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

EGTB: win in 2 half-moves

# move score
1 K7b7 win in 1 half-moves
2 K7b8 win in 1 half-moves
3 K8b7 win in 1 half-moves
4 K8b8 win in 1 half-moves
5 Kb6 win in 1 half-moves
6 Kc6 win in 1 half-moves
7 b3 loss in 2 half-moves
8 K7d7 loss in 1 half-moves
9 K7d8 loss in 1 half-moves
10 K8d7 loss in 1 half-moves
11 K8d8 loss in 1 half-moves
12 Kd6 loss in 1 half-moves