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 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra5 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Kb6 loss in 2 half-moves
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves