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

EGTB: draw

# move score
1 Nb3 draw
2 Kg7 loss in 6 half-moves
3 Kg8 loss in 6 half-moves
4 Kh7 loss in 4 half-moves
5 Nb7 loss in 2 half-moves
6 Nc4 loss in 2 half-moves
7 Nc6 loss in 2 half-moves