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

EGTB: win in 4 half-moves

# move score
1 Na3 win in 3 half-moves
2 Ba7 draw
3 Bc1 draw
4 Bd2 draw
5 Bd4 draw
6 Bf2 draw
7 Bg1 draw
8 Bh6 draw
9 Na1 draw
10 Ne1 draw
11 Bb6 loss in 2 half-moves
12 Bc5 loss in 2 half-moves
13 Bf4 loss in 2 half-moves
14 Bg5 loss in 2 half-moves
15 Nb4 loss in 2 half-moves
16 Nd4 loss in 2 half-moves