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

EGTB: win in 4 half-moves

# move score
1 Na3 win in 3 half-moves
2 Kb6 win in 5 half-moves
3 Kb7 loss in 4 half-moves
4 Kb5 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Nc3 loss in 2 half-moves
11 Nd2 loss in 1 half-moves