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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 K5a6 draw
4 K5b6 draw
5 K7a6 draw
6 K7b6 draw
7 Ka4 draw
8 Kb7 draw
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves