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

EGTB: draw

# move score
1 b7 draw
2 Nb3 draw
3 Nb7 draw
4 Nd3 draw
5 Ne4 draw
6 Ne6 draw
7 Na4 loss in 4 half-moves
8 Na6 loss in 2 half-moves
9 Nd7 loss in 2 half-moves