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

EGTB: draw

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