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

EGTB: win in 6 half-moves

# move score
1 Kd8 win in 5 half-moves
2 Bb4 draw
3 Bc1 draw
4 Bd6 draw
5 Be7 draw
6 Kb8 draw
7 Bb2 loss in 2 half-moves
8 Bc5 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Bf8 loss in 1 half-moves