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 Kc8 win in 3 half-moves
4 Ra6 win in 3 half-moves
5 Ka4 win in 5 half-moves
6 Ka6 win in 5 half-moves
7 Ka7 draw
8 Ra7 draw
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves