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 Kb7 draw
3 Kb8 draw
4 Ra6 draw
5 Kd7 loss in 8 half-moves
6 Rc8 loss in 8 half-moves
7 Rf8 loss in 8 half-moves
8 Rh8 loss in 8 half-moves
9 Kc8 loss in 4 half-moves
10 Kd8 loss in 4 half-moves
11 Ra7 loss in 4 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ra2 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 Rb8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Ra1 loss in 1 half-moves