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

EGTB: win in 6 half-moves

# move score
1 Kb5 win in 5 half-moves
2 Ka6 draw
3 Kb6 draw
4 Nc7 draw
5 Nd6 draw
6 Nf6 draw
7 Ng7 draw
8 Ka4 loss in 2 half-moves
9 Kb4 loss in 2 half-moves