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 draw
3 Kh2 draw
4 Kh7 draw
5 Ra1 draw
6 Ra2 draw
7 Ra6 draw
8 Ra7 draw
9 Rb8 draw
10 Kg1 loss in 2 half-moves
11 Kg2 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves