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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka6 win in 5 half-moves
3 Kb7 win in 5 half-moves
4 Ka8 draw
5 Kb8 draw
6 Na2 draw
7 Nb3 draw
8 Nd3 draw
9 Ne2 draw