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 Kh6 draw
3 Re8 draw
4 Kg6 loss in 2 half-moves
5 Kg7 loss in 2 half-moves
6 Kg8 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Rg8 loss in 2 half-moves