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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Ka6 draw
3 Kb7 draw
4 Na3 draw
5 Kb8 loss in 8 half-moves
6 Ka8 loss in 2 half-moves
7 Nc3 loss in 2 half-moves
8 Nd2 loss in 2 half-moves