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