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

EGTB: win in 4 half-moves

# move score
1 Kd1 win in 3 half-moves
2 Nb8 draw
3 Nc5 draw
4 Nc7 draw
5 Kf1 loss in 4 half-moves
6 Nb4 loss in 2 half-moves
7 Kd2 loss in 1 half-moves
8 Ke2 loss in 1 half-moves
9 Kf2 loss in 1 half-moves