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

EGTB: draw

# move score
1 b7 draw
2 Nc3 draw
3 Nc7 draw
4 Na3 loss in 6 half-moves
5 Na7 loss in 1 half-moves
6 Nd4 loss in 1 half-moves
7 Nd6 loss in 1 half-moves