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

EGTB: draw

# move score
1 Nb5 draw
2 Nd5 draw
3 Na6 loss in 6 half-moves
4 Na8 loss in 6 half-moves
5 Ba7 loss in 2 half-moves
6 Ne6 loss in 2 half-moves
7 Ne8 loss in 2 half-moves