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

EGTB: win in 4 half-moves

# move score
1 N5c6 win in 3 half-moves
2 Nb7 draw
3 Nc4 draw
4 N7c6 loss in 2 half-moves
5 Nb5 loss in 2 half-moves
6 Nc8 loss in 2 half-moves
7 Nb3 loss in 1 half-moves