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

EGTB: draw

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