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

EGTB: win in 4 half-moves

# move score
1 Ba3 win in 3 half-moves
2 Bb4 draw
3 Bb8 draw
4 Bc5 draw
5 Bc7 draw
6 Bg3 draw
7 Nb6 draw
8 Nc7 draw
9 Be5 loss in 2 half-moves
10 Be7 loss in 2 half-moves
11 Bf4 loss in 2 half-moves
12 Bf8 loss in 2 half-moves
13 Bh2 loss in 1 half-moves