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 Ka4 draw
3 Kb4 draw
4 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Nc4 draw
8 Nc6 draw
9 Kb6 loss in 24 half-moves
10 Ka6 loss in 18 half-moves
11 Nb7 loss in 18 half-moves