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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Ba3 draw
3 Bb4 draw
4 Bd6 draw
5 Bd8 draw
6 Bf6 draw
7 Bg5 draw
8 Nb7 draw
9 Bf8 loss in 4 half-moves
10 Bh4 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Nc6 loss in 2 half-moves
13 Bc5 loss in 1 half-moves