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 Ka6 draw
3 Kb6 loss in 6 half-moves
4 Kb7 loss in 6 half-moves
5 Kb8 loss in 6 half-moves
6 Ka8 loss in 4 half-moves
7 Nc2 loss in 2 half-moves