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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Ka5 draw
5 Kab7 draw
6 Ka7 loss in 1 half-moves
7 Kb8 loss in 1 half-moves
8 Kc7 loss in 1 half-moves
9 Kcb7 loss in 1 half-moves
10 Kd7 loss in 1 half-moves
11 Kd8 loss in 1 half-moves
12 Ra7 loss in 1 half-moves