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 Kb5 win in 9 half-moves
3 Ka4 win in 11 half-moves
4 Nc1 win in 17 half-moves
5 Kb4 win in 25 half-moves
6 Ka6 draw
7 Nb4 draw
8 Nc3 draw