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