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

EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd3 draw
5 Kd5 draw
6 Nc6 draw
7 Ne6 draw
8 Nf7 draw
9 Kb4 loss in 22 half-moves
10 Kd4 loss in 22 half-moves
11 Kc3 loss in 4 half-moves
12 Kb3 loss in 2 half-moves