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

EGTB: win in 4 half-moves

# move score
1 Bb8 win in 3 half-moves
2 Bc7 loss in 2 half-moves
3 Bd6 loss in 2 half-moves
4 Be3 loss in 2 half-moves
5 Be5 loss in 2 half-moves
6 Bg3 loss in 2 half-moves
7 Bg5 loss in 2 half-moves
8 Bh2 loss in 2 half-moves
9 Bh6 loss in 2 half-moves
10 Nd7 loss in 2 half-moves
11 Ne6 loss in 2 half-moves
12 Ng6 loss in 2 half-moves
13 Nh7 loss in 2 half-moves
14 Bc1 loss in 1 half-moves
15 Bd2 loss in 1 half-moves