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

EGTB: win in 4 half-moves

# move score
1 Nb1 win in 3 half-moves
2 Kb3 draw
3 Kb4 draw
4 Kc5 draw
5 Kd3 draw
6 Nb5 draw
7 Nc2 draw
8 Kb5 loss in 10 half-moves
9 Kd5 loss in 10 half-moves
10 Kc3 loss in 1 half-moves
11 Kd4 loss in 1 half-moves