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

EGTB: win in 4 half-moves

# move score
1 Nb3 win in 3 half-moves
2 Nc4 draw
3 Ne4 draw
4 Nf1 draw
5 Kb1 loss in 14 half-moves
6 Kc2 loss in 14 half-moves
7 Kb2 loss in 12 half-moves
8 Kd1 loss in 12 half-moves
9 Nb1 loss in 12 half-moves
10 Nf3 loss in 2 half-moves