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

EGTB: win in 4 half-moves

# move score
1 Nb8 win in 3 half-moves
2 Kc5 draw
3 Kc6 draw
4 Kc7 draw
5 Kd5 draw
6 Ke5 draw
7 Ke6 draw
8 Ke7 draw
9 Nb6 draw
10 Nf8 draw
11 Nc5 loss in 2 half-moves
12 Ne5 loss in 2 half-moves
13 Nf6 loss in 2 half-moves