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

EGTB: win in 4 half-moves

# move score
1 Bg1 win in 3 half-moves
2 Bb8 draw
3 Bd6 draw
4 Bg3 draw
5 Nf6 draw
6 Ng7 draw
7 Bc7 loss in 2 half-moves
8 Be5 loss in 2 half-moves
9 Bf4 loss in 2 half-moves
10 Nc7 loss in 2 half-moves
11 Nd6 loss in 2 half-moves