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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Ka5 win in 5 half-moves
4 Ka3 draw
5 Kb3 draw
6 Nb6 draw
7 Nc7 draw