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

EGTB: win in 4 half-moves

# move score
1 Nc4 win in 3 half-moves
2 Nb1 loss in 4 half-moves
3 Nb3 loss in 4 half-moves
4 Ne4 loss in 4 half-moves
5 Nf1 loss in 4 half-moves
6 Nf3 loss in 4 half-moves