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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 K3b4 draw
3 K5b4 draw
4 Ka6 draw
5 Kb2 draw
6 Kb3 draw
7 Kb6 draw
8 Ka2 loss in 2 half-moves
9 K3a4 loss in 1 half-moves
10 K5a4 loss in 1 half-moves