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

EGTB: win in 2 half-moves

# move score
1 Nb3 win in 1 half-moves
2 Kb7 draw
3 Nb7 draw
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Nc4 loss in 1 half-moves
9 Nc6 loss in 1 half-moves