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

EGTB: win in 4 half-moves

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