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 Kb8 draw
6 Ka4 loss in 40 half-moves
7 Ka8 loss in 22 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb7 loss in 2 half-moves