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

EGTB: draw

# move score
1 K5a6 draw
2 K5b6 draw
3 K7a6 draw
4 K7b6 draw
5 Ka4 draw
6 Ka8 draw
7 Kb5 draw
8 Kb7 draw
9 Kb8 draw
10 Kb4 loss in 2 half-moves