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

EGTB: draw

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