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 Kb5 win in 1 half-moves
4 Kb7 win in 1 half-moves
5 K5a6 loss in 2 half-moves
6 K7a6 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 K5b6 loss in 1 half-moves
10 K7b6 loss in 1 half-moves