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

EGTB: win in 4 half-moves

# move score
1 Na2 win in 3 half-moves
2 Kb5 draw
3 Kc5 draw
4 Na6 draw
5 Nc6 draw
6 Kc3 loss in 10 half-moves
7 Kb3 loss in 8 half-moves
8 Kd3 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Nc2 loss in 2 half-moves
12 Nd3 loss in 2 half-moves
13 Nd5 loss in 2 half-moves