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

EGTB: win in 2 half-moves

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