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

EGTB: win in 4 half-moves

# move score
1 Na6 win in 3 half-moves
2 Kb6 draw
3 Kc7 loss in 18 half-moves
4 Kb7 loss in 12 half-moves
5 Kd6 loss in 8 half-moves
6 Kd7 loss in 8 half-moves
7 Kb5 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Nd7 loss in 2 half-moves