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 K7b6 draw
4 Kb5 draw
5 Kb7 draw
6 Kb8 draw
7 Ka8 loss in 10 half-moves
8 K7a6 loss in 4 half-moves
9 Ka4 loss in 2 half-moves
10 Kb4 loss in 2 half-moves