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

EGTB: win in 20 half-moves

# move score
1 Kb5 win in 19 half-moves
2 Kb6 win in 19 half-moves
3 Ka4 draw
4 Ka6 draw
5 Kb4 draw
6 Nb3 draw
7 Nc2 draw