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