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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kc7 win in 1 half-moves
3 Kb5 win in 7 half-moves
4 Ka3 draw
5 Ka5 draw
6 Ka7 draw
7 Kc8 draw
8 Ra7 draw
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves