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 Kb4 draw
3 Kc4 draw
4 Nb7 draw
5 Nc4 draw
6 Nc6 draw
7 Ka4 loss in 22 half-moves
8 Ka6 loss in 10 half-moves
9 Kb6 loss in 10 half-moves
10 Kc5 loss in 10 half-moves
11 Kc6 loss in 10 half-moves