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

EGTB: draw

# move score
1 Bb3 draw
2 Bc4 draw
3 Nb4 draw
4 Nb8 draw
5 Ba2 loss in 4 half-moves
6 Bf7 loss in 4 half-moves
7 Nc7 loss in 4 half-moves
8 Bd5 loss in 2 half-moves
9 Be6 loss in 2 half-moves
10 Bh7 loss in 2 half-moves
11 Nc5 loss in 2 half-moves