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

EGTB: win in 4 half-moves

# move score
1 Bg3 win in 3 half-moves
2 Bc7 draw
3 Be5 draw
4 Bh2 draw
5 Ba7 loss in 2 half-moves
6 Bd6 loss in 2 half-moves
7 Bf4 loss in 2 half-moves