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

EGTB: win in 4 half-moves

# move score
1 Nc4 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc7 draw
6 Kd5 draw
7 Nb3 draw
8 Nb7 draw
9 Kc5 loss in 20 half-moves
10 Kd6 loss in 18 half-moves
11 Kd7 loss in 18 half-moves