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

EGTB: win in 2 half-moves

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