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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Nb7 win in 3 half-moves
3 Kb1 loss in 8 half-moves
4 Kb2 loss in 8 half-moves
5 Nc4 loss in 8 half-moves
6 Kb3 loss in 6 half-moves
7 Ka1 loss in 4 half-moves
8 Ka3 loss in 4 half-moves
9 Nc6 loss in 2 half-moves