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

EGTB: win in 6 half-moves

# move score
1 Kd8 win in 5 half-moves
2 Kb7 loss in 26 half-moves
3 Kb8 loss in 26 half-moves
4 Kc7 loss in 26 half-moves
5 Nb8 loss in 26 half-moves
6 Nc7 loss in 20 half-moves
7 Kd7 loss in 2 half-moves
8 Nb4 loss in 2 half-moves
9 Nc5 loss in 2 half-moves