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 Nc2 win in 9 half-moves
3 Kb6 draw
4 Kc6 draw
5 Kd6 draw
6 Kb7 loss in 16 half-moves
7 Kb8 loss in 16 half-moves
8 Kc8 loss in 16 half-moves
9 Kd7 loss in 16 half-moves
10 Kd8 loss in 16 half-moves