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

EGTB: draw

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