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

EGTB: draw

# move score
1 K6b6 draw
2 K7b7 draw
3 Kb5 draw
4 Kb8 draw
5 K6b7 loss in 4 half-moves
6 K7b6 loss in 4 half-moves
7 Ka5 loss in 4 half-moves
8 Ka8 loss in 4 half-moves