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

EGTB: win in 2 half-moves

# move score
1 Na5 win in 1 half-moves
2 Kb6 loss in 18 half-moves
3 Kb8 loss in 16 half-moves
4 Ka6 loss in 8 half-moves
5 Nd8 loss in 8 half-moves
6 Ka8 loss in 2 half-moves
7 Nc5 loss in 2 half-moves
8 Nd6 loss in 2 half-moves