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 Na2 loss in 30 half-moves
3 Kc2 loss in 4 half-moves
4 Kd2 loss in 4 half-moves
5 Ke2 loss in 4 half-moves
6 Kc3 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Ke4 loss in 2 half-moves
11 Ne2 loss in 2 half-moves