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

EGTB: draw

# move score
1 Ba3 draw
2 Bc7 draw
3 Be7 draw
4 Bf8 draw
5 Na6 draw
6 Nd7 draw
7 Bb4 loss in 2 half-moves
8 Bc5 loss in 2 half-moves
9 Be5 loss in 2 half-moves
10 Nc6 loss in 2 half-moves
11 Bf4 loss in 1 half-moves
12 Bg3 loss in 1 half-moves
13 Bh2 loss in 1 half-moves