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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Nc2 draw
8 Nc6 draw
9 Ne2 draw
10 Nf3 draw
11 Nb5 loss in 2 half-moves
12 Ne6 loss in 2 half-moves
13 Nf5 loss in 2 half-moves