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

EGTB: win in 4 half-moves

# move score
1 Bc1 win in 3 half-moves
2 Bb2 win in 7 half-moves
3 Bf8 win in 7 half-moves
4 Na6 win in 9 half-moves
5 Nc6 draw
6 Nd7 draw
7 Bb4 loss in 4 half-moves
8 Be7 loss in 4 half-moves
9 Bc5 loss in 2 half-moves
10 Bd6 loss in 2 half-moves