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

EGTB: win in 4 half-moves

# move score
1 Na1 win in 3 half-moves
2 Bb2 draw
3 Bc1 draw
4 Bc5 draw
5 Bd6 draw
6 Be7 draw
7 Bf8 draw
8 Ne1 draw
9 Bb4 loss in 2 half-moves
10 Nb4 loss in 2 half-moves
11 Nd4 loss in 2 half-moves
12 Ne3 loss in 2 half-moves