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 Kf1 draw
3 Kg2 loss in 2 half-moves
4 Kh1 loss in 2 half-moves
5 Nc2 loss in 2 half-moves
6 Kf2 loss in 1 half-moves
7 Kh2 loss in 1 half-moves