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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kg8 win in 3 half-moves
3 Ka5 draw
4 Ka7 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kg7 draw
9 Kh7 draw
10 Ra7 draw
11 Re8 draw
12 Rg8 draw
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves