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

EGTB: win in 6 half-moves

# move score
1 Na3 win in 5 half-moves
2 Ka6 draw
3 Kb6 draw
4 Ka8 loss in 24 half-moves
5 Kb7 loss in 24 half-moves
6 Kb8 loss in 18 half-moves
7 Nd2 loss in 6 half-moves
8 Nc3 loss in 2 half-moves