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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kd7 draw
3 Ra6 draw
4 Rb8 draw
5 Rc8 draw
6 Re8 draw
7 Kf7 loss in 8 half-moves
8 Kf8 loss in 8 half-moves
9 Kd8 loss in 4 half-moves
10 Ke8 loss in 4 half-moves
11 Ra7 loss in 4 half-moves
12 Kd6 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra2 loss in 1 half-moves