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

EGTB: win in 4 half-moves

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