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

EGTB: draw

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