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 Kb8 win in 1 half-moves
3 K6b7 draw
4 K6a7 loss in 1 half-moves
5 K8a7 loss in 1 half-moves
6 K8b7 loss in 1 half-moves
7 Kb5 loss in 1 half-moves
8 Kb6 loss in 1 half-moves