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

EGTB: draw

# move score
1 K8a7 draw
2 Ka5 draw
3 K6a7 loss in 4 half-moves
4 K6b7 loss in 2 half-moves
5 K8b7 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kb8 loss in 2 half-moves