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 Kc6 draw
5 Kd6 draw
6 Kd7 draw
7 Ra1 draw
8 Re8 draw
9 Rf8 draw
10 Ra7 loss in 30 half-moves
11 Kb8 loss in 26 half-moves
12 Rc8 loss in 22 half-moves
13 Kc8 loss in 20 half-moves
14 Kd8 loss in 20 half-moves
15 Ra4 loss in 20 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves