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

EGTB: win in 4 half-moves

# move score
1 Na5 win in 3 half-moves
2 Kc7 loss in 8 half-moves
3 Kc8 loss in 6 half-moves
4 Ka7 loss in 4 half-moves
5 Ka8 loss in 4 half-moves
6 Nc5 loss in 2 half-moves
7 Nd6 loss in 2 half-moves
8 Nd8 loss in 2 half-moves