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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Na2 draw
7 Ke8 loss in 16 half-moves
8 Kd8 loss in 14 half-moves
9 Ke6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Nd3 loss in 2 half-moves
12 Ne2 loss in 2 half-moves