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

EGTB: win in 4 half-moves

# move score
1 Nb5 win in 3 half-moves
2 Kb5 draw
3 Kc5 draw
4 Nb1 draw
5 Ka4 loss in 10 half-moves
6 Ka5 loss in 10 half-moves
7 Kb3 loss in 10 half-moves
8 Kc4 loss in 8 half-moves
9 Nc2 loss in 2 half-moves
10 Nc4 loss in 2 half-moves
11 Kc3 loss in 1 half-moves