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

EGTB: win in 4 half-moves

# move score
1 Nb7 win in 3 half-moves
2 Kb1 loss in 10 half-moves
3 Kc1 loss in 10 half-moves
4 Kb3 loss in 6 half-moves
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Nb3 loss in 2 half-moves
9 Nc4 loss in 2 half-moves
10 Nc6 loss in 2 half-moves
11 Kb2 loss in 1 half-moves
12 Kc3 loss in 1 half-moves