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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 K8a7 draw
3 K6a7 loss in 4 half-moves
4 Ka5 loss in 2 half-moves
5 Kb5 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 K6b7 loss in 1 half-moves
8 K8b7 loss in 1 half-moves