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

EGTB: win in 6 half-moves

# move score
1 Nb3 win in 5 half-moves
2 Kd3 loss in 8 half-moves
3 Kc3 loss in 2 half-moves
4 Kc4 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Ke4 loss in 2 half-moves
8 Ke5 loss in 2 half-moves
9 Nc2 loss in 2 half-moves
10 Kc5 loss in 1 half-moves