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

EGTB: win in 4 half-moves

# move score
1 Nb4 win in 3 half-moves
2 Kd7 draw
3 Kb6 loss in 28 half-moves
4 Kc7 loss in 28 half-moves
5 Kb5 loss in 26 half-moves
6 Kb7 loss in 26 half-moves
7 Nb8 loss in 16 half-moves
8 Kc5 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Nc5 loss in 2 half-moves
12 Nc7 loss in 2 half-moves