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 Kb3 loss in 8 half-moves
3 Ka2 loss in 4 half-moves
4 Ka4 loss in 4 half-moves
5 Kb2 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Nc2 loss in 2 half-moves