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

EGTB: win in 22 half-moves

# move score
1 Na6 win in 21 half-moves
2 Kc7 loss in 6 half-moves
3 Kd7 loss in 6 half-moves
4 Nc6 loss in 6 half-moves
5 Kc8 loss in 4 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Nd7 loss in 2 half-moves