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

EGTB: win in 4 half-moves

# move score
1 Na5 win in 3 half-moves
2 Ba5 draw
3 Bc7 draw
4 Be7 draw
5 Bf6 draw
6 Bg5 draw
7 Bh4 draw
8 Na3 draw
9 Nb2 draw
10 Nd6 draw
11 Ne3 draw
12 Bb6 loss in 2 half-moves
13 Nb6 loss in 2 half-moves
14 Nd2 loss in 2 half-moves
15 Ne5 loss in 2 half-moves