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 Kb2 win in 5 half-moves
3 Kd3 win in 5 half-moves
4 Kb1 win in 7 half-moves
5 Kb3 win in 7 half-moves
6 Kc3 win in 15 half-moves
7 Kd2 win in 17 half-moves
8 Kc1 draw
9 Na8 draw
10 Nb5 draw
11 Ne8 draw
12 Kd1 loss in 2 half-moves
13 Nd5 loss in 2 half-moves
14 Ne6 loss in 2 half-moves