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

EGTB: win in 4 half-moves

# move score
1 Bd2 win in 3 half-moves
2 Bb6 draw
3 Bc7 draw
4 Be1 draw
5 Nb6 draw
6 Nb8 draw
7 Nc5 draw
8 Ne5 draw
9 Nf6 draw
10 Nf8 draw
11 Bb4 loss in 2 half-moves
12 Bc3 loss in 2 half-moves
13 Bd8 loss in 2 half-moves